20115156

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2351}}^1$

素因数の和:2412

約数の個数: 48

約数和(自身を含む): 50577408

約数和(自身を除く): 30462252

約数列:

[1, 2, 3, 4, 6, 12, 23, 31, 46, 62, 69, 92, 93, 124, 138, 186, 276, 372, 713, 1426, 2139, 2351, 2852, 4278, 4702, 7053, 8556, 9404, 14106, 28212, 54073, 72881, 108146, 145762, 162219, 216292, 218643, 291524, 324438, 437286, 648876, 874572, 1676263, 3352526, 5028789, 6705052, 10057578, 20115156]

約数ペア:

[(1, 20115156), (2, 10057578), (3, 6705052), (4, 5028789), (6, 3352526), (12, 1676263), (23, 874572), (31, 648876), (46, 437286), (62, 324438), (69, 291524), (92, 218643), (93, 216292), (124, 162219), (138, 145762), (186, 108146), (276, 72881), (372, 54073), (713, 28212), (1426, 14106), (2139, 9404), (2351, 8556), (2852, 7053), (4278, 4702)]