20654956

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{12503}}^1$

素因数の和:12573

約数の個数: 24

約数和(自身を含む): 42013440

約数和(自身を除く): 21358484

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 12503, 25006, 50012, 87521, 175042, 350084, 737677, 1475354, 2950708, 5163739, 10327478, 20654956]

約数ペア:

[(1, 20654956), (2, 10327478), (4, 5163739), (7, 2950708), (14, 1475354), (28, 737677), (59, 350084), (118, 175042), (236, 87521), (413, 50012), (826, 25006), (1652, 12503)]