20194903216

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{29353057}}^1$

素因数の和:29353108

約数の個数: 20

約数和(自身を含む): 40037571112

約数和(自身を除く): 19842667896

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 29353057, 58706114, 117412228, 234824456, 469648912, 1262181451, 2524362902, 5048725804, 10097451608, 20194903216]

約数ペア:

[(1, 20194903216), (2, 10097451608), (4, 5048725804), (8, 2524362902), (16, 1262181451), (43, 469648912), (86, 234824456), (172, 117412228), (344, 58706114), (688, 29353057)]