20216918872

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{58770113}}^1$

素因数の和:58770162

約数の個数: 16

約数和(自身を含む): 38788275240

約数和(自身を除く): 18571356368

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 58770113, 117540226, 235080452, 470160904, 2527114859, 5054229718, 10108459436, 20216918872]

約数ペア:

[(1, 20216918872), (2, 10108459436), (4, 5054229718), (8, 2527114859), (43, 470160904), (86, 235080452), (172, 117540226), (344, 58770113)]