11976220

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2131}}^1$

素因数の和:2421

約数の個数: 24

約数和(自身を含む): 25251408

約数和(自身を除く): 13275188

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2131, 2810, 4262, 5620, 8524, 10655, 21310, 42620, 598811, 1197622, 2395244, 2994055, 5988110, 11976220]

約数ペア:

[(1, 11976220), (2, 5988110), (4, 2994055), (5, 2395244), (10, 1197622), (20, 598811), (281, 42620), (562, 21310), (1124, 10655), (1405, 8524), (2131, 5620), (2810, 4262)]