20131842620

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2272217}}^1$

素因数の和:2272669

約数の個数: 24

約数和(自身を含む): 42372321264

約数和(自身を除く): 22240478644

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 8860, 2272217, 4544434, 9088868, 11361085, 22722170, 45444340, 1006592131, 2013184262, 4026368524, 5032960655, 10065921310, 20131842620]

約数ペア:

[(1, 20131842620), (2, 10065921310), (4, 5032960655), (5, 4026368524), (10, 2013184262), (20, 1006592131), (443, 45444340), (886, 22722170), (1772, 11361085), (2215, 9088868), (4430, 4544434), (8860, 2272217)]