20214436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{6857}}^1$

素因数の和:6939

約数の個数: 24

約数和(自身を含む): 39172896

約数和(自身を除く): 18958460

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 268, 737, 1474, 2948, 6857, 13714, 27428, 75427, 150854, 301708, 459419, 918838, 1837676, 5053609, 10107218, 20214436]

約数ペア:

[(1, 20214436), (2, 10107218), (4, 5053609), (11, 1837676), (22, 918838), (44, 459419), (67, 301708), (134, 150854), (268, 75427), (737, 27428), (1474, 13714), (2948, 6857)]