20100285968

素因数分解:

$2^4\times 7^1\times {\mathrm{461}}^1\times {\mathrm{389299}}^1$

素因数の和:389775

約数の個数: 40

約数和(自身を含む): 44604436800

約数和(自身を除く): 24504150832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 461, 922, 1844, 3227, 3688, 6454, 7376, 12908, 25816, 51632, 389299, 778598, 1557196, 2725093, 3114392, 5450186, 6228784, 10900372, 21800744, 43601488, 179466839, 358933678, 717867356, 1256267873, 1435734712, 2512535746, 2871469424, 5025071492, 10050142984, 20100285968]

約数ペア:

[(1, 20100285968), (2, 10050142984), (4, 5025071492), (7, 2871469424), (8, 2512535746), (14, 1435734712), (16, 1256267873), (28, 717867356), (56, 358933678), (112, 179466839), (461, 43601488), (922, 21800744), (1844, 10900372), (3227, 6228784), (3688, 5450186), (6454, 3114392), (7376, 2725093), (12908, 1557196), (25816, 778598), (51632, 389299)]