20040795

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10357}}^1$

素因数の和:10411

約数の個数: 24

約数和(自身を含む): 35548656

約数和(自身を除く): 15507861

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 10357, 31071, 51785, 93213, 155355, 445351, 466065, 1336053, 2226755, 4008159, 6680265, 20040795]

約数ペア:

[(1, 20040795), (3, 6680265), (5, 4008159), (9, 2226755), (15, 1336053), (43, 466065), (45, 445351), (129, 155355), (215, 93213), (387, 51785), (645, 31071), (1935, 10357)]