20556924

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{39839}}^1$

素因数の和:39889

約数の個数: 24

約数和(自身を含む): 49082880

約数和(自身を除く): 28525956

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 39839, 79678, 119517, 159356, 239034, 478068, 1713077, 3426154, 5139231, 6852308, 10278462, 20556924]

約数ペア:

[(1, 20556924), (2, 10278462), (3, 6852308), (4, 5139231), (6, 3426154), (12, 1713077), (43, 478068), (86, 239034), (129, 159356), (172, 119517), (258, 79678), (516, 39839)]