20000779696

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{4753037}}^1$

素因数の和:4753308

約数の個数: 20

約数和(自身を含む): 38898862992

約数和(自身を除く): 18898083296

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 2104, 4208, 4753037, 9506074, 19012148, 38024296, 76048592, 1250048731, 2500097462, 5000194924, 10000389848, 20000779696]

約数ペア:

[(1, 20000779696), (2, 10000389848), (4, 5000194924), (8, 2500097462), (16, 1250048731), (263, 76048592), (526, 38024296), (1052, 19012148), (2104, 9506074), (4208, 4753037)]