20651116

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{359}}^1$

素因数の和:633

約数の個数: 24

約数和(自身を含む): 36923040

約数和(自身を除く): 16271924

約数列:

[1, 2, 4, 73, 146, 197, 292, 359, 394, 718, 788, 1436, 14381, 26207, 28762, 52414, 57524, 70723, 104828, 141446, 282892, 5162779, 10325558, 20651116]

約数ペア:

[(1, 20651116), (2, 10325558), (4, 5162779), (73, 282892), (146, 141446), (197, 104828), (292, 70723), (359, 57524), (394, 52414), (718, 28762), (788, 26207), (1436, 14381)]