20688084

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{12227}}^1$

素因数の和:12284

約数の個数: 36

約数和(自身を含む): 53411904

約数和(自身を除く): 32723820

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1692, 12227, 24454, 36681, 48908, 73362, 110043, 146724, 220086, 440172, 574669, 1149338, 1724007, 2298676, 3448014, 5172021, 6896028, 10344042, 20688084]

約数ペア:

[(1, 20688084), (2, 10344042), (3, 6896028), (4, 5172021), (6, 3448014), (9, 2298676), (12, 1724007), (18, 1149338), (36, 574669), (47, 440172), (94, 220086), (141, 146724), (188, 110043), (282, 73362), (423, 48908), (564, 36681), (846, 24454), (1692, 12227)]