20997273

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{2803}}^1$

素因数の和:3044

約数の個数: 16

約数和(自身を含む): 30686976

約数和(自身を除く): 9689703

約数列:

[1, 3, 11, 33, 227, 681, 2497, 2803, 7491, 8409, 30833, 92499, 636281, 1908843, 6999091, 20997273]

約数ペア:

[(1, 20997273), (3, 6999091), (11, 1908843), (33, 636281), (227, 92499), (681, 30833), (2497, 8409), (2803, 7491)]