20425432

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1487}}^1$

素因数の和:1611

約数の個数: 32

約数和(自身を含む): 40979520

約数和(自身を除く): 20554088

約数列:

[1, 2, 4, 8, 17, 34, 68, 101, 136, 202, 404, 808, 1487, 1717, 2974, 3434, 5948, 6868, 11896, 13736, 25279, 50558, 101116, 150187, 202232, 300374, 600748, 1201496, 2553179, 5106358, 10212716, 20425432]

約数ペア:

[(1, 20425432), (2, 10212716), (4, 5106358), (8, 2553179), (17, 1201496), (34, 600748), (68, 300374), (101, 202232), (136, 150187), (202, 101116), (404, 50558), (808, 25279), (1487, 13736), (1717, 11896), (2974, 6868), (3434, 5948)]