20284473

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{449}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 30391200

約数和(自身を除く): 10106727

約数列:

[1, 3, 11, 33, 37, 111, 407, 449, 1221, 1347, 1369, 4107, 4939, 14817, 15059, 16613, 45177, 49839, 182743, 548229, 614681, 1844043, 6761491, 20284473]

約数ペア:

[(1, 20284473), (3, 6761491), (11, 1844043), (33, 614681), (37, 548229), (111, 182743), (407, 49839), (449, 45177), (1221, 16613), (1347, 15059), (1369, 14817), (4107, 4939)]