20005088

素因数分解:

$2^5\times {\mathrm{401}}^1\times {\mathrm{1559}}^1$

素因数の和:1970

約数の個数: 24

約数和(自身を含む): 39508560

約数和(自身を除く): 19503472

約数列:

[1, 2, 4, 8, 16, 32, 401, 802, 1559, 1604, 3118, 3208, 6236, 6416, 12472, 12832, 24944, 49888, 625159, 1250318, 2500636, 5001272, 10002544, 20005088]

約数ペア:

[(1, 20005088), (2, 10002544), (4, 5001272), (8, 2500636), (16, 1250318), (32, 625159), (401, 49888), (802, 24944), (1559, 12832), (1604, 12472), (3118, 6416), (3208, 6236)]