20184448

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{2221}}^1$

素因数の和:2306

約数の個数: 32

約数和(自身を含む): 40795920

約数和(自身を除く): 20611472

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 284, 568, 1136, 2221, 2272, 4442, 4544, 8884, 9088, 17768, 35536, 71072, 142144, 157691, 284288, 315382, 630764, 1261528, 2523056, 5046112, 10092224, 20184448]

約数ペア:

[(1, 20184448), (2, 10092224), (4, 5046112), (8, 2523056), (16, 1261528), (32, 630764), (64, 315382), (71, 284288), (128, 157691), (142, 142144), (284, 71072), (568, 35536), (1136, 17768), (2221, 9088), (2272, 8884), (4442, 4544)]