20291572

素因数分解:

$2^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{2579}}^1$

素因数の和:2871

約数の個数: 24

約数和(自身を含む): 40743360

約数和(自身を除く): 20451788

約数列:

[1, 2, 4, 7, 14, 28, 281, 562, 1124, 1967, 2579, 3934, 5158, 7868, 10316, 18053, 36106, 72212, 724699, 1449398, 2898796, 5072893, 10145786, 20291572]

約数ペア:

[(1, 20291572), (2, 10145786), (4, 5072893), (7, 2898796), (14, 1449398), (28, 724699), (281, 72212), (562, 36106), (1124, 18053), (1967, 10316), (2579, 7868), (3934, 5158)]