20403291208

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{134232179}}^1$

素因数の和:134232204

約数の個数: 16

約数和(自身を含む): 40269654000

約数和(自身を除く): 19866362792

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 134232179, 268464358, 536928716, 1073857432, 2550411401, 5100822802, 10201645604, 20403291208]

約数ペア:

[(1, 20403291208), (2, 10201645604), (4, 5100822802), (8, 2550411401), (19, 1073857432), (38, 536928716), (76, 268464358), (152, 134232179)]