20185125975

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{419}}^2$

素因数の和:934

約数の個数: 108

約数和(自身を含む): 41984843056

約数和(自身を除く): 21799717081

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 73, 75, 105, 175, 219, 225, 315, 365, 419, 511, 525, 657, 1095, 1257, 1533, 1575, 1825, 2095, 2555, 2933, 3285, 3771, 4599, 5475, 6285, 7665, 8799, 10475, 12775, 14665, 16425, 18855, 22995, 26397, 30587, 31425, 38325, 43995, 73325, 91761, 94275, 114975, 131985, 152935, 175561, 214109, 219975, 275283, 458805, 526683, 642327, 659925, 764675, 877805, 1070545, 1228927, 1376415, 1580049, 1926981, 2294025, 2633415, 3211635, 3686781, 4389025, 5352725, 6144635, 6882075, 7900245, 9634905, 11060343, 12815953, 13167075, 16058175, 18433905, 30723175, 38447859, 39501225, 48174525, 55301715, 64079765, 89711671, 92169525, 115343577, 192239295, 269135013, 276508575, 320398825, 448558355, 576717885, 807405039, 961196475, 1345675065, 2242791775, 2883589425, 4037025195, 6728375325, 20185125975]

約数ペア:

[(1, 20185125975), (3, 6728375325), (5, 4037025195), (7, 2883589425), (9, 2242791775), (15, 1345675065), (21, 961196475), (25, 807405039), (35, 576717885), (45, 448558355), (63, 320398825), (73, 276508575), (75, 269135013), (105, 192239295), (175, 115343577), (219, 92169525), (225, 89711671), (315, 64079765), (365, 55301715), (419, 48174525), (511, 39501225), (525, 38447859), (657, 30723175), (1095, 18433905), (1257, 16058175), (1533, 13167075), (1575, 12815953), (1825, 11060343), (2095, 9634905), (2555, 7900245), (2933, 6882075), (3285, 6144635), (3771, 5352725), (4599, 4389025), (5475, 3686781), (6285, 3211635), (7665, 2633415), (8799, 2294025), (10475, 1926981), (12775, 1580049), (14665, 1376415), (16425, 1228927), (18855, 1070545), (22995, 877805), (26397, 764675), (30587, 659925), (31425, 642327), (38325, 526683), (43995, 458805), (73325, 275283), (91761, 219975), (94275, 214109), (114975, 175561), (131985, 152935)]