20216397825

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{727}}^1\times {\mathrm{3169}}^1$

素因数の和:3928

約数の個数: 96

約数和(自身を含む): 40062713600

約数和(自身を除く): 19846315775

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 195, 225, 325, 351, 585, 675, 727, 975, 1755, 2181, 2925, 3169, 3635, 6543, 8775, 9451, 9507, 10905, 15845, 18175, 19629, 28353, 28521, 32715, 41197, 47255, 47535, 54525, 79225, 85059, 85563, 98145, 123591, 141765, 142605, 163575, 205985, 236275, 237675, 255177, 370773, 425295, 427815, 490725, 617955, 708825, 713025, 1029925, 1112319, 1275885, 1853865, 2126475, 2139075, 2303863, 3089775, 5561595, 6379425, 6911589, 9269325, 11519315, 20734767, 27807975, 29950219, 34557945, 57596575, 62204301, 89850657, 103673835, 149751095, 172789725, 269551971, 311021505, 449253285, 518369175, 748755475, 808655913, 1347759855, 1555107525, 2246266425, 4043279565, 6738799275, 20216397825]

約数ペア:

[(1, 20216397825), (3, 6738799275), (5, 4043279565), (9, 2246266425), (13, 1555107525), (15, 1347759855), (25, 808655913), (27, 748755475), (39, 518369175), (45, 449253285), (65, 311021505), (75, 269551971), (117, 172789725), (135, 149751095), (195, 103673835), (225, 89850657), (325, 62204301), (351, 57596575), (585, 34557945), (675, 29950219), (727, 27807975), (975, 20734767), (1755, 11519315), (2181, 9269325), (2925, 6911589), (3169, 6379425), (3635, 5561595), (6543, 3089775), (8775, 2303863), (9451, 2139075), (9507, 2126475), (10905, 1853865), (15845, 1275885), (18175, 1112319), (19629, 1029925), (28353, 713025), (28521, 708825), (32715, 617955), (41197, 490725), (47255, 427815), (47535, 425295), (54525, 370773), (79225, 255177), (85059, 237675), (85563, 236275), (98145, 205985), (123591, 163575), (141765, 142605)]