20179973060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1\times {\mathrm{4049}}^1$

素因数の和:4761

約数の個数: 96

約数和(自身を含む): 47294604000

約数和(自身を除く): 27114630940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 661, 754, 1322, 1508, 1885, 2644, 3305, 3770, 4049, 6610, 7540, 8098, 8593, 13220, 16196, 17186, 19169, 20245, 34372, 38338, 40490, 42965, 52637, 76676, 80980, 85930, 95845, 105274, 117421, 171860, 191690, 210548, 234842, 249197, 263185, 383380, 469684, 498394, 526370, 587105, 996788, 1052740, 1174210, 1245985, 1526473, 2348420, 2491970, 2676389, 3052946, 4983940, 5352778, 6105892, 7632365, 10705556, 13381945, 15264730, 26763890, 30529460, 34793057, 53527780, 69586114, 77615281, 139172228, 155230562, 173965285, 310461124, 347930570, 388076405, 695861140, 776152810, 1008998653, 1552305620, 2017997306, 4035994612, 5044993265, 10089986530, 20179973060]

約数ペア:

[(1, 20179973060), (2, 10089986530), (4, 5044993265), (5, 4035994612), (10, 2017997306), (13, 1552305620), (20, 1008998653), (26, 776152810), (29, 695861140), (52, 388076405), (58, 347930570), (65, 310461124), (116, 173965285), (130, 155230562), (145, 139172228), (260, 77615281), (290, 69586114), (377, 53527780), (580, 34793057), (661, 30529460), (754, 26763890), (1322, 15264730), (1508, 13381945), (1885, 10705556), (2644, 7632365), (3305, 6105892), (3770, 5352778), (4049, 4983940), (6610, 3052946), (7540, 2676389), (8098, 2491970), (8593, 2348420), (13220, 1526473), (16196, 1245985), (17186, 1174210), (19169, 1052740), (20245, 996788), (34372, 587105), (38338, 526370), (40490, 498394), (42965, 469684), (52637, 383380), (76676, 263185), (80980, 249197), (85930, 234842), (95845, 210548), (105274, 191690), (117421, 171860)]