20458545010

素因数分解:

$2^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{7280621}}^1$

素因数の和:7280909

約数の個数: 16

約数和(自身を含む): 36956437272

約数和(自身を除く): 16497892262

約数列:

[1, 2, 5, 10, 281, 562, 1405, 2810, 7280621, 14561242, 36403105, 72806210, 2045854501, 4091709002, 10229272505, 20458545010]

約数ペア:

[(1, 20458545010), (2, 10229272505), (5, 4091709002), (10, 2045854501), (281, 72806210), (562, 36403105), (1405, 14561242), (2810, 7280621)]