20404072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{196193}}^1$

素因数の和:196212

約数の個数: 16

約数和(自身を含む): 41200740

約数和(自身を除く): 20796668

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 196193, 392386, 784772, 1569544, 2550509, 5101018, 10202036, 20404072]

約数ペア:

[(1, 20404072), (2, 10202036), (4, 5101018), (8, 2550509), (13, 1569544), (26, 784772), (52, 392386), (104, 196193)]