20527942

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 35164800

約数和(自身を除く): 14636858

約数列:

[1, 2, 17, 19, 34, 38, 43, 86, 323, 646, 731, 739, 817, 1462, 1478, 1634, 12563, 13889, 14041, 25126, 27778, 28082, 31777, 63554, 238697, 477394, 540209, 603763, 1080418, 1207526, 10263971, 20527942]

約数ペア:

[(1, 20527942), (2, 10263971), (17, 1207526), (19, 1080418), (34, 603763), (38, 540209), (43, 477394), (86, 238697), (323, 63554), (646, 31777), (731, 28082), (739, 27778), (817, 25126), (1462, 14041), (1478, 13889), (1634, 12563)]