20367259

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:295

約数の個数: 24

約数和(自身を含む): 24579072

約数和(自身を除く): 4211813

約数列:

[1, 11, 19, 23, 209, 223, 253, 361, 437, 2453, 3971, 4237, 4807, 5129, 8303, 46607, 56419, 80503, 91333, 97451, 885533, 1071961, 1851569, 20367259]

約数ペア:

[(1, 20367259), (11, 1851569), (19, 1071961), (23, 885533), (209, 97451), (223, 91333), (253, 80503), (361, 56419), (437, 46607), (2453, 8303), (3971, 5129), (4237, 4807)]