20163090620

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{11327579}}^1$

素因数の和:11327677

約数の個数: 24

約数和(自身を含む): 42818252400

約数和(自身を除く): 22655161780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 11327579, 22655158, 45310316, 56637895, 113275790, 226551580, 1008154531, 2016309062, 4032618124, 5040772655, 10081545310, 20163090620]

約数ペア:

[(1, 20163090620), (2, 10081545310), (4, 5040772655), (5, 4032618124), (10, 2016309062), (20, 1008154531), (89, 226551580), (178, 113275790), (356, 56637895), (445, 45310316), (890, 22655158), (1780, 11327579)]