20484260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{44531}}^1$

素因数の和:44563

約数の個数: 24

約数和(自身を含む): 44888256

約数和(自身を除く): 24403996

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 44531, 89062, 178124, 222655, 445310, 890620, 1024213, 2048426, 4096852, 5121065, 10242130, 20484260]

約数ペア:

[(1, 20484260), (2, 10242130), (4, 5121065), (5, 4096852), (10, 2048426), (20, 1024213), (23, 890620), (46, 445310), (92, 222655), (115, 178124), (230, 89062), (460, 44531)]