20443225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{941}}^1$

素因数の和:1041

約数の個数: 24

約数和(自身を含む): 28033920

約数和(自身を除く): 7590695

約数列:

[1, 5, 11, 25, 55, 79, 275, 395, 869, 941, 1975, 4345, 4705, 10351, 21725, 23525, 51755, 74339, 258775, 371695, 817729, 1858475, 4088645, 20443225]

約数ペア:

[(1, 20443225), (5, 4088645), (11, 1858475), (25, 817729), (55, 371695), (79, 258775), (275, 74339), (395, 51755), (869, 23525), (941, 21725), (1975, 10351), (4345, 4705)]