20197802081

素因数分解:

${\mathrm{251}}^1\times {\mathrm{277}}^1\times {\mathrm{449}}^1\times {\mathrm{647}}^1$

素因数の和:1624

約数の個数: 16

約数和(自身を含む): 20428329600

約数和(自身を除く): 230527519

約数列:

[1, 251, 277, 449, 647, 69527, 112699, 124373, 162397, 179219, 290503, 31217623, 44983969, 72916253, 80469331, 20197802081]

約数ペア:

[(1, 20197802081), (251, 80469331), (277, 72916253), (449, 44983969), (647, 31217623), (69527, 290503), (112699, 179219), (124373, 162397)]