20677868

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1619}}^1$

素因数の和:1757

約数の個数: 24

約数和(自身を含む): 37739520

約数和(自身を除く): 17061652

約数列:

[1, 2, 4, 31, 62, 103, 124, 206, 412, 1619, 3193, 3238, 6386, 6476, 12772, 50189, 100378, 166757, 200756, 333514, 667028, 5169467, 10338934, 20677868]

約数ペア:

[(1, 20677868), (2, 10338934), (4, 5169467), (31, 667028), (62, 333514), (103, 200756), (124, 166757), (206, 100378), (412, 50189), (1619, 12772), (3193, 6476), (3238, 6386)]