20330947

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7207}}^1$

素因数の和:7258

約数の個数: 16

約数和(自身を含む): 25833472

約数和(自身を除く): 5502525

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 7207, 50449, 93691, 223417, 655837, 1563919, 2904421, 20330947]

約数ペア:

[(1, 20330947), (7, 2904421), (13, 1563919), (31, 655837), (91, 223417), (217, 93691), (403, 50449), (2821, 7207)]