20105609545

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1\times {\mathrm{30431}}^1$

素因数の和:30925

約数の個数: 32

約数和(自身を含む): 28279848960

約数和(自身を除く): 8174239415

約数列:

[1, 5, 7, 35, 43, 215, 301, 439, 1505, 2195, 3073, 15365, 18877, 30431, 94385, 132139, 152155, 213017, 660695, 1065085, 1308533, 6542665, 9159731, 13359209, 45798655, 66796045, 93514463, 467572315, 574445987, 2872229935, 4021121909, 20105609545]

約数ペア:

[(1, 20105609545), (5, 4021121909), (7, 2872229935), (35, 574445987), (43, 467572315), (215, 93514463), (301, 66796045), (439, 45798655), (1505, 13359209), (2195, 9159731), (3073, 6542665), (15365, 1308533), (18877, 1065085), (30431, 660695), (94385, 213017), (132139, 152155)]