20457844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{464951}}^1$

素因数の和:464966

約数の個数: 12

約数和(自身を含む): 39055968

約数和(自身を除く): 18598124

約数列:

[1, 2, 4, 11, 22, 44, 464951, 929902, 1859804, 5114461, 10228922, 20457844]

約数ペア:

[(1, 20457844), (2, 10228922), (4, 5114461), (11, 1859804), (22, 929902), (44, 464951)]