20294716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{881}}^1$

素因数の和:1341

約数の個数: 24

約数和(自身を含む): 38377584

約数和(自身を除く): 18082868

約数列:

[1, 2, 4, 13, 26, 52, 443, 881, 886, 1762, 1772, 3524, 5759, 11453, 11518, 22906, 23036, 45812, 390283, 780566, 1561132, 5073679, 10147358, 20294716]

約数ペア:

[(1, 20294716), (2, 10147358), (4, 5073679), (13, 1561132), (26, 780566), (52, 390283), (443, 45812), (881, 23036), (886, 22906), (1762, 11518), (1772, 11453), (3524, 5759)]