20071505

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{3581}}^1$

素因数の和:3664

約数の個数: 16

約数和(自身を含む): 25790400

約数和(自身を除く): 5718895

約数列:

[1, 5, 19, 59, 95, 295, 1121, 3581, 5605, 17905, 68039, 211279, 340195, 1056395, 4014301, 20071505]

約数ペア:

[(1, 20071505), (5, 4014301), (19, 1056395), (59, 340195), (95, 211279), (295, 68039), (1121, 17905), (3581, 5605)]