20989074

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{81353}}^1$

素因数の和:81401

約数の個数: 16

約数和(自身を含む): 42954912

約数和(自身を除く): 21965838

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 81353, 162706, 244059, 488118, 3498179, 6996358, 10494537, 20989074]

約数ペア:

[(1, 20989074), (2, 10494537), (3, 6996358), (6, 3498179), (43, 488118), (86, 244059), (129, 162706), (258, 81353)]