20611416

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1553}}^1$

素因数の和:1648

約数の個数: 64

約数和(自身を含む): 59673600

約数和(自身を除く): 39062184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 79, 84, 158, 168, 237, 316, 474, 553, 632, 948, 1106, 1553, 1659, 1896, 2212, 3106, 3318, 4424, 4659, 6212, 6636, 9318, 10871, 12424, 13272, 18636, 21742, 32613, 37272, 43484, 65226, 86968, 122687, 130452, 245374, 260904, 368061, 490748, 736122, 858809, 981496, 1472244, 1717618, 2576427, 2944488, 3435236, 5152854, 6870472, 10305708, 20611416]

約数ペア:

[(1, 20611416), (2, 10305708), (3, 6870472), (4, 5152854), (6, 3435236), (7, 2944488), (8, 2576427), (12, 1717618), (14, 1472244), (21, 981496), (24, 858809), (28, 736122), (42, 490748), (56, 368061), (79, 260904), (84, 245374), (158, 130452), (168, 122687), (237, 86968), (316, 65226), (474, 43484), (553, 37272), (632, 32613), (948, 21742), (1106, 18636), (1553, 13272), (1659, 12424), (1896, 10871), (2212, 9318), (3106, 6636), (3318, 6212), (4424, 4659)]