20693512

素因数分解:

$2^3\times 7^1\times {\mathrm{449}}^1\times {\mathrm{823}}^1$

素因数の和:1285

約数の個数: 32

約数和(自身を含む): 44496000

約数和(自身を除く): 23802488

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 449, 823, 898, 1646, 1796, 3143, 3292, 3592, 5761, 6286, 6584, 11522, 12572, 23044, 25144, 46088, 369527, 739054, 1478108, 2586689, 2956216, 5173378, 10346756, 20693512]

約数ペア:

[(1, 20693512), (2, 10346756), (4, 5173378), (7, 2956216), (8, 2586689), (14, 1478108), (28, 739054), (56, 369527), (449, 46088), (823, 25144), (898, 23044), (1646, 12572), (1796, 11522), (3143, 6584), (3292, 6286), (3592, 5761)]