20317625

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:266

約数の個数: 32

約数和(自身を含む): 27316224

約数和(自身を除く): 6998599

約数列:

[1, 5, 23, 25, 37, 115, 125, 185, 191, 575, 851, 925, 955, 2875, 4255, 4393, 4625, 4775, 7067, 21275, 21965, 23875, 35335, 106375, 109825, 162541, 176675, 549125, 812705, 883375, 4063525, 20317625]

約数ペア:

[(1, 20317625), (5, 4063525), (23, 883375), (25, 812705), (37, 549125), (115, 176675), (125, 162541), (185, 109825), (191, 106375), (575, 35335), (851, 23875), (925, 21965), (955, 21275), (2875, 7067), (4255, 4775), (4393, 4625)]