20173577438

素因数分解:

$2^1\times 7^2\times {\mathrm{521}}^1\times {\mathrm{395111}}^1$

素因数の和:395648

約数の個数: 24

約数和(自身を含む): 35268487344

約数和(自身を除く): 15094909906

約数列:

[1, 2, 7, 14, 49, 98, 521, 1042, 3647, 7294, 25529, 51058, 395111, 790222, 2765777, 5531554, 19360439, 38720878, 205852831, 411705662, 1440969817, 2881939634, 10086788719, 20173577438]

約数ペア:

[(1, 20173577438), (2, 10086788719), (7, 2881939634), (14, 1440969817), (49, 411705662), (98, 205852831), (521, 38720878), (1042, 19360439), (3647, 5531554), (7294, 2765777), (25529, 790222), (51058, 395111)]