20791715

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{14489}}^1$

素因数の和:14542

約数の個数: 16

約数和(自身を含む): 29211840

約数和(自身を除く): 8420125

約数列:

[1, 5, 7, 35, 41, 205, 287, 1435, 14489, 72445, 101423, 507115, 594049, 2970245, 4158343, 20791715]

約数ペア:

[(1, 20791715), (5, 4158343), (7, 2970245), (35, 594049), (41, 507115), (205, 101423), (287, 72445), (1435, 14489)]