20372209

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1307}}^1$

素因数の和:1440

約数の個数: 16

約数和(自身を含む): 24171840

約数和(自身を除く): 3799631

約数列:

[1, 11, 13, 109, 143, 1199, 1307, 1417, 14377, 15587, 16991, 142463, 186901, 1567093, 1852019, 20372209]

約数ペア:

[(1, 20372209), (11, 1852019), (13, 1567093), (109, 186901), (143, 142463), (1199, 16991), (1307, 15587), (1417, 14377)]