20403418

素因数分解:

$2^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{3671}}^1$

素因数の和:4077

約数の個数: 16

約数和(自身を含む): 35074944

約数和(自身を除く): 14671526

約数列:

[1, 2, 7, 14, 397, 794, 2779, 3671, 5558, 7342, 25697, 51394, 1457387, 2914774, 10201709, 20403418]

約数ペア:

[(1, 20403418), (2, 10201709), (7, 2914774), (14, 1457387), (397, 51394), (794, 25697), (2779, 7342), (3671, 5558)]