20194440020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23481907}}^1$

素因数の和:23481959

約数の個数: 24

約数和(自身を含む): 43394565984

約数和(自身を除く): 23200125964

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 23481907, 46963814, 93927628, 117409535, 234819070, 469638140, 1009722001, 2019444002, 4038888004, 5048610005, 10097220010, 20194440020]

約数ペア:

[(1, 20194440020), (2, 10097220010), (4, 5048610005), (5, 4038888004), (10, 2019444002), (20, 1009722001), (43, 469638140), (86, 234819070), (172, 117409535), (215, 93927628), (430, 46963814), (860, 23481907)]