1657350020

素因数分解:

$2^2\times 5^1\times {\mathrm{2081}}^1\times {\mathrm{39821}}^1$

素因数の和:41911

約数の個数: 24

約数和(自身を含む): 3482194968

約数和(自身を除く): 1824844948

約数列:

[1, 2, 4, 5, 10, 20, 2081, 4162, 8324, 10405, 20810, 39821, 41620, 79642, 159284, 199105, 398210, 796420, 82867501, 165735002, 331470004, 414337505, 828675010, 1657350020]

約数ペア:

[(1, 1657350020), (2, 828675010), (4, 414337505), (5, 331470004), (10, 165735002), (20, 82867501), (2081, 796420), (4162, 398210), (8324, 199105), (10405, 159284), (20810, 79642), (39821, 41620)]