20791738

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{49741}}^1$

素因数の和:49773

約数の個数: 16

約数和(自身を含む): 35814240

約数和(自身を除く): 15022502

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 49741, 99482, 547151, 945079, 1094302, 1890158, 10395869, 20791738]

約数ペア:

[(1, 20791738), (2, 10395869), (11, 1890158), (19, 1094302), (22, 945079), (38, 547151), (209, 99482), (418, 49741)]