20064220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8291}}^1$

素因数の和:8322

約数の個数: 36

約数和(自身を含む): 46319112

約数和(自身を除く): 26254892

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 8291, 16582, 33164, 41455, 82910, 91201, 165820, 182402, 364804, 456005, 912010, 1003211, 1824020, 2006422, 4012844, 5016055, 10032110, 20064220]

約数ペア:

[(1, 20064220), (2, 10032110), (4, 5016055), (5, 4012844), (10, 2006422), (11, 1824020), (20, 1003211), (22, 912010), (44, 456005), (55, 364804), (110, 182402), (121, 165820), (220, 91201), (242, 82910), (484, 41455), (605, 33164), (1210, 16582), (2420, 8291)]