20175013875

素因数分解:

$3^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{5531}}^1$

素因数の和:5757

約数の個数: 64

約数和(自身を含む): 34298754048

約数和(自身を除く): 14123740173

約数列:

[1, 3, 5, 15, 25, 71, 75, 125, 137, 213, 355, 375, 411, 685, 1065, 1775, 2055, 3425, 5325, 5531, 8875, 9727, 10275, 16593, 17125, 26625, 27655, 29181, 48635, 51375, 82965, 138275, 145905, 243175, 392701, 414825, 691375, 729525, 757747, 1178103, 1215875, 1963505, 2074125, 2273241, 3647625, 3788735, 5890515, 9817525, 11366205, 18943675, 29452575, 49087625, 53800037, 56831025, 94718375, 147262875, 161400111, 269000185, 284155125, 807000555, 1345000925, 4035002775, 6725004625, 20175013875]

約数ペア:

[(1, 20175013875), (3, 6725004625), (5, 4035002775), (15, 1345000925), (25, 807000555), (71, 284155125), (75, 269000185), (125, 161400111), (137, 147262875), (213, 94718375), (355, 56831025), (375, 53800037), (411, 49087625), (685, 29452575), (1065, 18943675), (1775, 11366205), (2055, 9817525), (3425, 5890515), (5325, 3788735), (5531, 3647625), (8875, 2273241), (9727, 2074125), (10275, 1963505), (16593, 1215875), (17125, 1178103), (26625, 757747), (27655, 729525), (29181, 691375), (48635, 414825), (51375, 392701), (82965, 243175), (138275, 145905)]