20175911216

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{563}}^1\times {\mathrm{117883}}^1$

素因数の和:118473

約数の個数: 40

約数和(自身を含む): 41221677120

約数和(自身を除く): 21045765904

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 563, 1126, 2252, 4504, 9008, 10697, 21394, 42788, 85576, 117883, 171152, 235766, 471532, 943064, 1886128, 2239777, 4479554, 8959108, 17918216, 35836432, 66368129, 132736258, 265472516, 530945032, 1061890064, 1260994451, 2521988902, 5043977804, 10087955608, 20175911216]

約数ペア:

[(1, 20175911216), (2, 10087955608), (4, 5043977804), (8, 2521988902), (16, 1260994451), (19, 1061890064), (38, 530945032), (76, 265472516), (152, 132736258), (304, 66368129), (563, 35836432), (1126, 17918216), (2252, 8959108), (4504, 4479554), (9008, 2239777), (10697, 1886128), (21394, 943064), (42788, 471532), (85576, 235766), (117883, 171152)]