20447636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{541}}^1\times {\mathrm{859}}^1$

素因数の和:1415

約数の個数: 24

約数和(自身を含む): 39154080

約数和(自身を除く): 18706444

約数列:

[1, 2, 4, 11, 22, 44, 541, 859, 1082, 1718, 2164, 3436, 5951, 9449, 11902, 18898, 23804, 37796, 464719, 929438, 1858876, 5111909, 10223818, 20447636]

約数ペア:

[(1, 20447636), (2, 10223818), (4, 5111909), (11, 1858876), (22, 929438), (44, 464719), (541, 37796), (859, 23804), (1082, 18898), (1718, 11902), (2164, 9449), (3436, 5951)]