20186830875

素因数分解:

$3^1\times 5^3\times {\mathrm{2971}}^1\times {\mathrm{18119}}^1$

素因数の和:21108

約数の個数: 32

約数和(自身を含む): 33604047360

約数和(自身を除く): 13417216485

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 2971, 8913, 14855, 18119, 44565, 54357, 74275, 90595, 222825, 271785, 371375, 452975, 1114125, 1358925, 2264875, 6794625, 53831549, 161494647, 269157745, 807473235, 1345788725, 4037366175, 6728943625, 20186830875]

約数ペア:

[(1, 20186830875), (3, 6728943625), (5, 4037366175), (15, 1345788725), (25, 807473235), (75, 269157745), (125, 161494647), (375, 53831549), (2971, 6794625), (8913, 2264875), (14855, 1358925), (18119, 1114125), (44565, 452975), (54357, 371375), (74275, 271785), (90595, 222825)]