20398335

素因数分解:

$3^1\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{1319}}^1$

素因数の和:2358

約数の個数: 16

約数和(自身を含む): 32693760

約数和(自身を除く): 12295425

約数列:

[1, 3, 5, 15, 1031, 1319, 3093, 3957, 5155, 6595, 15465, 19785, 1359889, 4079667, 6799445, 20398335]

約数ペア:

[(1, 20398335), (3, 6799445), (5, 4079667), (15, 1359889), (1031, 19785), (1319, 15465), (3093, 6595), (3957, 5155)]