20187966704

素因数分解:

$2^4\times {\mathrm{21799}}^1\times {\mathrm{57881}}^1$

素因数の和:79688

約数の個数: 20

約数和(自身を含む): 39116655600

約数和(自身を除く): 18928688896

約数列:

[1, 2, 4, 8, 16, 21799, 43598, 57881, 87196, 115762, 174392, 231524, 348784, 463048, 926096, 1261747919, 2523495838, 5046991676, 10093983352, 20187966704]

約数ペア:

[(1, 20187966704), (2, 10093983352), (4, 5046991676), (8, 2523495838), (16, 1261747919), (21799, 926096), (43598, 463048), (57881, 348784), (87196, 231524), (115762, 174392)]