20348125

素因数分解:

$5^4\times 7^1\times {\mathrm{4651}}^1$

素因数の和:4678

約数の個数: 20

約数和(自身を含む): 29065696

約数和(自身を除く): 8717571

約数列:

[1, 5, 7, 25, 35, 125, 175, 625, 875, 4375, 4651, 23255, 32557, 116275, 162785, 581375, 813925, 2906875, 4069625, 20348125]

約数ペア:

[(1, 20348125), (5, 4069625), (7, 2906875), (25, 813925), (35, 581375), (125, 162785), (175, 116275), (625, 32557), (875, 23255), (4375, 4651)]