20456466

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1009}}^1$

素因数の和:1154

約数の個数: 32

約数和(自身を含む): 42662400

約数和(自身を除く): 22205934

約数列:

[1, 2, 3, 6, 31, 62, 93, 109, 186, 218, 327, 654, 1009, 2018, 3027, 3379, 6054, 6758, 10137, 20274, 31279, 62558, 93837, 109981, 187674, 219962, 329943, 659886, 3409411, 6818822, 10228233, 20456466]

約数ペア:

[(1, 20456466), (2, 10228233), (3, 6818822), (6, 3409411), (31, 659886), (62, 329943), (93, 219962), (109, 187674), (186, 109981), (218, 93837), (327, 62558), (654, 31279), (1009, 20274), (2018, 10137), (3027, 6758), (3379, 6054)]