20452873

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2521}}^1$

素因数の和:2608

約数の個数: 16

約数和(自身を含む): 25018240

約数和(自身を除く): 4565367

約数列:

[1, 7, 19, 61, 133, 427, 1159, 2521, 8113, 17647, 47899, 153781, 335293, 1076467, 2921839, 20452873]

約数ペア:

[(1, 20452873), (7, 2921839), (19, 1076467), (61, 335293), (133, 153781), (427, 47899), (1159, 17647), (2521, 8113)]