20372865

素因数分解:

$3^1\times 5^1\times {\mathrm{719}}^1\times {\mathrm{1889}}^1$

素因数の和:2616

約数の個数: 16

約数和(自身を含む): 32659200

約数和(自身を除く): 12286335

約数列:

[1, 3, 5, 15, 719, 1889, 2157, 3595, 5667, 9445, 10785, 28335, 1358191, 4074573, 6790955, 20372865]

約数ペア:

[(1, 20372865), (3, 6790955), (5, 4074573), (15, 1358191), (719, 28335), (1889, 10785), (2157, 9445), (3595, 5667)]