20156102785

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:240

約数の個数: 256

約数和(自身を含む): 35533209600

約数和(自身を除く): 15377106815

約数列:

[1, 5, 7, 13, 17, 19, 23, 35, 65, 67, 85, 89, 91, 95, 115, 119, 133, 161, 221, 247, 299, 323, 335, 391, 437, 445, 455, 469, 595, 623, 665, 805, 871, 1105, 1139, 1157, 1235, 1273, 1495, 1513, 1541, 1547, 1615, 1691, 1729, 1955, 2047, 2093, 2185, 2261, 2345, 2737, 3059, 3115, 4199, 4355, 5083, 5681, 5695, 5785, 5963, 6097, 6365, 7429, 7565, 7705, 7735, 7973, 8099, 8455, 8645, 8911, 10235, 10465, 10591, 10787, 11305, 11837, 13685, 14329, 14807, 15295, 16549, 19669, 20033, 20995, 21641, 21983, 25415, 26197, 26611, 28405, 28747, 29279, 29393, 29815, 30485, 34799, 35581, 37145, 38893, 39767, 39865, 40495, 41741, 44555, 52003, 52955, 53935, 59185, 71645, 74035, 77519, 82745, 96577, 98345, 100165, 101371, 103649, 108205, 109915, 113297, 115843, 130985, 133055, 137149, 137683, 140231, 143735, 146395, 146965, 151487, 153881, 173995, 177905, 183379, 186277, 194465, 198835, 201229, 204953, 208705, 243593, 260015, 272251, 281333, 340561, 373711, 380627, 387595, 452387, 482885, 497743, 505609, 506855, 518245, 542633, 566485, 579215, 661181, 676039, 685745, 688415, 701155, 709597, 757435, 769405, 793079, 916895, 931385, 960043, 1006145, 1024765, 1217965, 1317823, 1361255, 1406665, 1472861, 1702805, 1782937, 1868555, 1903135, 1926049, 1969331, 2261935, 2331533, 2383927, 2488715, 2528045, 2605831, 2615977, 2664389, 2713165, 3166709, 3305905, 3380195, 3484201, 3539263, 3547985, 3965395, 4628267, 4800215, 6470659, 6589115, 7364305, 8595353, 8914685, 9224761, 9630245, 9846655, 10310027, 11657665, 11919635, 12480559, 13029155, 13079885, 13321945, 13482343, 15833545, 16320731, 17421005, 17696315, 18240817, 23141335, 25038637, 30309929, 32353295, 33875803, 42976765, 44299127, 45294613, 46123805, 51550135, 60167471, 62402795, 67411715, 81603655, 91204085, 125193185, 151549645, 169379015, 175270459, 212169503, 221495635, 226473065, 237130621, 300837355, 310093889, 575888651, 876352295, 1060847515, 1185653105, 1550469445, 2879443255, 4031220557, 20156102785]

約数ペア:

[(1, 20156102785), (5, 4031220557), (7, 2879443255), (13, 1550469445), (17, 1185653105), (19, 1060847515), (23, 876352295), (35, 575888651), (65, 310093889), (67, 300837355), (85, 237130621), (89, 226473065), (91, 221495635), (95, 212169503), (115, 175270459), (119, 169379015), (133, 151549645), (161, 125193185), (221, 91204085), (247, 81603655), (299, 67411715), (323, 62402795), (335, 60167471), (391, 51550135), (437, 46123805), (445, 45294613), (455, 44299127), (469, 42976765), (595, 33875803), (623, 32353295), (665, 30309929), (805, 25038637), (871, 23141335), (1105, 18240817), (1139, 17696315), (1157, 17421005), (1235, 16320731), (1273, 15833545), (1495, 13482343), (1513, 13321945), (1541, 13079885), (1547, 13029155), (1615, 12480559), (1691, 11919635), (1729, 11657665), (1955, 10310027), (2047, 9846655), (2093, 9630245), (2185, 9224761), (2261, 8914685), (2345, 8595353), (2737, 7364305), (3059, 6589115), (3115, 6470659), (4199, 4800215), (4355, 4628267), (5083, 3965395), (5681, 3547985), (5695, 3539263), (5785, 3484201), (5963, 3380195), (6097, 3305905), (6365, 3166709), (7429, 2713165), (7565, 2664389), (7705, 2615977), (7735, 2605831), (7973, 2528045), (8099, 2488715), (8455, 2383927), (8645, 2331533), (8911, 2261935), (10235, 1969331), (10465, 1926049), (10591, 1903135), (10787, 1868555), (11305, 1782937), (11837, 1702805), (13685, 1472861), (14329, 1406665), (14807, 1361255), (15295, 1317823), (16549, 1217965), (19669, 1024765), (20033, 1006145), (20995, 960043), (21641, 931385), (21983, 916895), (25415, 793079), (26197, 769405), (26611, 757435), (28405, 709597), (28747, 701155), (29279, 688415), (29393, 685745), (29815, 676039), (30485, 661181), (34799, 579215), (35581, 566485), (37145, 542633), (38893, 518245), (39767, 506855), (39865, 505609), (40495, 497743), (41741, 482885), (44555, 452387), (52003, 387595), (52955, 380627), (53935, 373711), (59185, 340561), (71645, 281333), (74035, 272251), (77519, 260015), (82745, 243593), (96577, 208705), (98345, 204953), (100165, 201229), (101371, 198835), (103649, 194465), (108205, 186277), (109915, 183379), (113297, 177905), (115843, 173995), (130985, 153881), (133055, 151487), (137149, 146965), (137683, 146395), (140231, 143735)]