20943756

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{4441}}^1$

素因数の和:4582

約数の個数: 36

約数和(自身を含む): 53357304

約数和(自身を除く): 32413548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 262, 393, 524, 786, 1179, 1572, 2358, 4441, 4716, 8882, 13323, 17764, 26646, 39969, 53292, 79938, 159876, 581771, 1163542, 1745313, 2327084, 3490626, 5235939, 6981252, 10471878, 20943756]

約数ペア:

[(1, 20943756), (2, 10471878), (3, 6981252), (4, 5235939), (6, 3490626), (9, 2327084), (12, 1745313), (18, 1163542), (36, 581771), (131, 159876), (262, 79938), (393, 53292), (524, 39969), (786, 26646), (1179, 17764), (1572, 13323), (2358, 8882), (4441, 4716)]