20346461875

素因数分解:

$5^4\times {\mathrm{37}}^1\times {\mathrm{283}}^1\times {\mathrm{3109}}^1$

素因数の和:3449

約数の個数: 40

約数和(自身を含む): 26212796720

約数和(自身を除く): 5866334845

約数列:

[1, 5, 25, 37, 125, 185, 283, 625, 925, 1415, 3109, 4625, 7075, 10471, 15545, 23125, 35375, 52355, 77725, 115033, 176875, 261775, 388625, 575165, 879847, 1308875, 1943125, 2875825, 4399235, 6544375, 14379125, 21996175, 32554339, 71895625, 109980875, 162771695, 549904375, 813858475, 4069292375, 20346461875]

約数ペア:

[(1, 20346461875), (5, 4069292375), (25, 813858475), (37, 549904375), (125, 162771695), (185, 109980875), (283, 71895625), (625, 32554339), (925, 21996175), (1415, 14379125), (3109, 6544375), (4625, 4399235), (7075, 2875825), (10471, 1943125), (15545, 1308875), (23125, 879847), (35375, 575165), (52355, 388625), (77725, 261775), (115033, 176875)]