20173568548

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{757}}^1\times {\mathrm{41381}}^1$

素因数の和:42172

約数の個数: 48

約数和(自身を含む): 42157995264

約数和(自身を除く): 21984426716

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 757, 1514, 3028, 5299, 10598, 17411, 21196, 34822, 41381, 69644, 82762, 121877, 165524, 243754, 289667, 487508, 579334, 951763, 1158668, 1903526, 3807052, 6662341, 13324682, 26649364, 31325417, 62650834, 125301668, 219277919, 438555838, 720484591, 877111676, 1440969182, 2881938364, 5043392137, 10086784274, 20173568548]

約数ペア:

[(1, 20173568548), (2, 10086784274), (4, 5043392137), (7, 2881938364), (14, 1440969182), (23, 877111676), (28, 720484591), (46, 438555838), (92, 219277919), (161, 125301668), (322, 62650834), (644, 31325417), (757, 26649364), (1514, 13324682), (3028, 6662341), (5299, 3807052), (10598, 1903526), (17411, 1158668), (21196, 951763), (34822, 579334), (41381, 487508), (69644, 289667), (82762, 243754), (121877, 165524)]