20541260

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6301}}^1$

素因数の和:6473

約数の個数: 24

約数和(自身を含む): 43408176

約数和(自身を除く): 22866916

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 6301, 12602, 25204, 31505, 63010, 126020, 1027063, 2054126, 4108252, 5135315, 10270630, 20541260]

約数ペア:

[(1, 20541260), (2, 10270630), (4, 5135315), (5, 4108252), (10, 2054126), (20, 1027063), (163, 126020), (326, 63010), (652, 31505), (815, 25204), (1630, 12602), (3260, 6301)]