20161853497640

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{4460587057}}^1$

素因数の和:4460587181

約数の個数: 32

約数和(自身を含む): 45765623215080

約数和(自身を除く): 25603769717440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 4460587057, 8921174114, 17842348228, 22302935285, 35684696456, 44605870570, 89211741140, 178423482280, 504046337441, 1008092674882, 2016185349764, 2520231687205, 4032370699528, 5040463374410, 10080926748820, 20161853497640]

約数ペア:

[(1, 20161853497640), (2, 10080926748820), (4, 5040463374410), (5, 4032370699528), (8, 2520231687205), (10, 2016185349764), (20, 1008092674882), (40, 504046337441), (113, 178423482280), (226, 89211741140), (452, 44605870570), (565, 35684696456), (904, 22302935285), (1130, 17842348228), (2260, 8921174114), (4520, 4460587057)]