20632185

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{3119}}^1$

素因数の和:3147

約数の個数: 48

約数和(自身を含む): 42681600

約数和(自身を除く): 22049415

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 3119, 6615, 9357, 15595, 21833, 28071, 46785, 65499, 84213, 109165, 140355, 152831, 196497, 327495, 421065, 458493, 589491, 764155, 982485, 1375479, 2292465, 2947455, 4126437, 6877395, 20632185]

約数ペア:

[(1, 20632185), (3, 6877395), (5, 4126437), (7, 2947455), (9, 2292465), (15, 1375479), (21, 982485), (27, 764155), (35, 589491), (45, 458493), (49, 421065), (63, 327495), (105, 196497), (135, 152831), (147, 140355), (189, 109165), (245, 84213), (315, 65499), (441, 46785), (735, 28071), (945, 21833), (1323, 15595), (2205, 9357), (3119, 6615)]