20001385215

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{683}}^1$

素因数の和:963

約数の個数: 192

約数和(自身を含む): 43791321600

約数和(自身を除く): 23789936385

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 49, 57, 63, 95, 105, 133, 135, 147, 171, 189, 233, 245, 285, 315, 399, 441, 513, 665, 683, 699, 735, 855, 931, 945, 1165, 1197, 1323, 1631, 1995, 2049, 2097, 2205, 2565, 2793, 3415, 3495, 3591, 4427, 4655, 4781, 4893, 5985, 6147, 6291, 6615, 8155, 8379, 10245, 10485, 11417, 12977, 13281, 13965, 14343, 14679, 17955, 18441, 22135, 23905, 24465, 25137, 30735, 30989, 31455, 33467, 34251, 38931, 39843, 41895, 43029, 44037, 57085, 64885, 66405, 71715, 73395, 90839, 92205, 92967, 100401, 102753, 116793, 119529, 125685, 129087, 154945, 159139, 167335, 171255, 194655, 199215, 215145, 216923, 220185, 272517, 278901, 301203, 308259, 350379, 454195, 464835, 477417, 502005, 513765, 583965, 597645, 635873, 645435, 650769, 795695, 817551, 836703, 903609, 1084615, 1113973, 1362585, 1394505, 1432251, 1506015, 1541295, 1751895, 1907619, 1952307, 2387085, 2452653, 3023641, 3179365, 3253845, 3341919, 4087755, 4183515, 4296753, 4518045, 5569865, 5722857, 5856921, 7161255, 7797811, 9070923, 9538095, 9761535, 10025757, 12263265, 15118205, 16709595, 17168571, 21165487, 21483765, 23393433, 27212769, 28614285, 29284605, 30077271, 38989055, 45354615, 50128785, 63496461, 70180299, 81638307, 85842855, 105827435, 116967165, 136063845, 148158409, 150386355, 190489383, 210540897, 317482305, 350901495, 408191535, 444475227, 571468149, 740792045, 952446915, 1052704485, 1333425681, 2222376135, 2857340745, 4000277043, 6667128405, 20001385215]

約数ペア:

[(1, 20001385215), (3, 6667128405), (5, 4000277043), (7, 2857340745), (9, 2222376135), (15, 1333425681), (19, 1052704485), (21, 952446915), (27, 740792045), (35, 571468149), (45, 444475227), (49, 408191535), (57, 350901495), (63, 317482305), (95, 210540897), (105, 190489383), (133, 150386355), (135, 148158409), (147, 136063845), (171, 116967165), (189, 105827435), (233, 85842855), (245, 81638307), (285, 70180299), (315, 63496461), (399, 50128785), (441, 45354615), (513, 38989055), (665, 30077271), (683, 29284605), (699, 28614285), (735, 27212769), (855, 23393433), (931, 21483765), (945, 21165487), (1165, 17168571), (1197, 16709595), (1323, 15118205), (1631, 12263265), (1995, 10025757), (2049, 9761535), (2097, 9538095), (2205, 9070923), (2565, 7797811), (2793, 7161255), (3415, 5856921), (3495, 5722857), (3591, 5569865), (4427, 4518045), (4655, 4296753), (4781, 4183515), (4893, 4087755), (5985, 3341919), (6147, 3253845), (6291, 3179365), (6615, 3023641), (8155, 2452653), (8379, 2387085), (10245, 1952307), (10485, 1907619), (11417, 1751895), (12977, 1541295), (13281, 1506015), (13965, 1432251), (14343, 1394505), (14679, 1362585), (17955, 1113973), (18441, 1084615), (22135, 903609), (23905, 836703), (24465, 817551), (25137, 795695), (30735, 650769), (30989, 645435), (31455, 635873), (33467, 597645), (34251, 583965), (38931, 513765), (39843, 502005), (41895, 477417), (43029, 464835), (44037, 454195), (57085, 350379), (64885, 308259), (66405, 301203), (71715, 278901), (73395, 272517), (90839, 220185), (92205, 216923), (92967, 215145), (100401, 199215), (102753, 194655), (116793, 171255), (119529, 167335), (125685, 159139), (129087, 154945)]