20215657940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2011}}^1\times {\mathrm{11689}}^1$

素因数の和:13752

約数の個数: 48

約数和(自身を含む): 43465477440

約数和(自身を除く): 23249819500

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2011, 4022, 8044, 10055, 11689, 20110, 23378, 40220, 46756, 58445, 86473, 116890, 172946, 233780, 345892, 432365, 502627, 864730, 1005254, 1729460, 2010508, 2513135, 5026270, 10052540, 23506579, 47013158, 94026316, 117532895, 235065790, 470131580, 1010782897, 2021565794, 4043131588, 5053914485, 10107828970, 20215657940]

約数ペア:

[(1, 20215657940), (2, 10107828970), (4, 5053914485), (5, 4043131588), (10, 2021565794), (20, 1010782897), (43, 470131580), (86, 235065790), (172, 117532895), (215, 94026316), (430, 47013158), (860, 23506579), (2011, 10052540), (4022, 5026270), (8044, 2513135), (10055, 2010508), (11689, 1729460), (20110, 1005254), (23378, 864730), (40220, 502627), (46756, 432365), (58445, 345892), (86473, 233780), (116890, 172946)]