20989642

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{463}}^1\times {\mathrm{1193}}^1$

素因数の和:1677

約数の個数: 16

約数和(自身を含む): 33240960

約数和(自身を除く): 12251318

約数列:

[1, 2, 19, 38, 463, 926, 1193, 2386, 8797, 17594, 22667, 45334, 552359, 1104718, 10494821, 20989642]

約数ペア:

[(1, 20989642), (2, 10494821), (19, 1104718), (38, 552359), (463, 45334), (926, 22667), (1193, 17594), (2386, 8797)]