20664018

素因数分解:

$2^1\times 3^3\times {\mathrm{139}}^1\times {\mathrm{2753}}^1$

素因数の和:2903

約数の個数: 32

約数和(自身を含む): 46267200

約数和(自身を除く): 25603182

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 139, 278, 417, 834, 1251, 2502, 2753, 3753, 5506, 7506, 8259, 16518, 24777, 49554, 74331, 148662, 382667, 765334, 1148001, 2296002, 3444003, 6888006, 10332009, 20664018]

約数ペア:

[(1, 20664018), (2, 10332009), (3, 6888006), (6, 3444003), (9, 2296002), (18, 1148001), (27, 765334), (54, 382667), (139, 148662), (278, 74331), (417, 49554), (834, 24777), (1251, 16518), (2502, 8259), (2753, 7506), (3753, 5506)]