20155657060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{9491}}^1$

素因数の和:9722

約数の個数: 144

約数和(自身を含む): 53991862848

約数和(自身を除く): 33836205788

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 197, 220, 245, 308, 385, 394, 490, 539, 770, 788, 980, 985, 1078, 1379, 1540, 1970, 2156, 2167, 2695, 2758, 3940, 4334, 5390, 5516, 6895, 8668, 9491, 9653, 10780, 10835, 13790, 15169, 18982, 19306, 21670, 27580, 30338, 37964, 38612, 43340, 47455, 48265, 60676, 66437, 75845, 94910, 96530, 104401, 106183, 132874, 151690, 189820, 193060, 208802, 212366, 265748, 303380, 332185, 417604, 424732, 465059, 522005, 530915, 664370, 730807, 930118, 1044010, 1061830, 1328740, 1461614, 1860236, 1869727, 2088020, 2123660, 2325295, 2923228, 3654035, 3739454, 4650590, 5115649, 7308070, 7478908, 9301180, 9348635, 10231298, 13088089, 14616140, 18697270, 20462596, 20566997, 25578245, 26176178, 37394540, 41133994, 51156490, 52352356, 65440445, 82267988, 91616623, 102312980, 102834985, 130880890, 143968979, 183233246, 205669970, 261761780, 287937958, 366466492, 411339940, 458083115, 575875916, 719844895, 916166230, 1007782853, 1439689790, 1832332460, 2015565706, 2879379580, 4031131412, 5038914265, 10077828530, 20155657060]

約数ペア:

[(1, 20155657060), (2, 10077828530), (4, 5038914265), (5, 4031131412), (7, 2879379580), (10, 2015565706), (11, 1832332460), (14, 1439689790), (20, 1007782853), (22, 916166230), (28, 719844895), (35, 575875916), (44, 458083115), (49, 411339940), (55, 366466492), (70, 287937958), (77, 261761780), (98, 205669970), (110, 183233246), (140, 143968979), (154, 130880890), (196, 102834985), (197, 102312980), (220, 91616623), (245, 82267988), (308, 65440445), (385, 52352356), (394, 51156490), (490, 41133994), (539, 37394540), (770, 26176178), (788, 25578245), (980, 20566997), (985, 20462596), (1078, 18697270), (1379, 14616140), (1540, 13088089), (1970, 10231298), (2156, 9348635), (2167, 9301180), (2695, 7478908), (2758, 7308070), (3940, 5115649), (4334, 4650590), (5390, 3739454), (5516, 3654035), (6895, 2923228), (8668, 2325295), (9491, 2123660), (9653, 2088020), (10780, 1869727), (10835, 1860236), (13790, 1461614), (15169, 1328740), (18982, 1061830), (19306, 1044010), (21670, 930118), (27580, 730807), (30338, 664370), (37964, 530915), (38612, 522005), (43340, 465059), (47455, 424732), (48265, 417604), (60676, 332185), (66437, 303380), (75845, 265748), (94910, 212366), (96530, 208802), (104401, 193060), (106183, 189820), (132874, 151690)]