20082771

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 29899584

約数和(自身を除く): 9816813

約数列:

[1, 3, 9, 47, 141, 197, 241, 423, 591, 723, 1773, 2169, 9259, 11327, 27777, 33981, 47477, 83331, 101943, 142431, 427293, 2231419, 6694257, 20082771]

約数ペア:

[(1, 20082771), (3, 6694257), (9, 2231419), (47, 427293), (141, 142431), (197, 101943), (241, 83331), (423, 47477), (591, 33981), (723, 27777), (1773, 11327), (2169, 9259)]