20088991

素因数分解:

${\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:378

約数の個数: 16

約数和(自身を含む): 22226400

約数和(自身を除く): 2137409

約数列:

[1, 13, 89, 97, 179, 1157, 1261, 2327, 8633, 15931, 17363, 112229, 207103, 225719, 1545307, 20088991]

約数ペア:

[(1, 20088991), (13, 1545307), (89, 225719), (97, 207103), (179, 112229), (1157, 17363), (1261, 15931), (2327, 8633)]