20430992

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{941}}^1$

素因数の和:1031

約数の個数: 40

約数和(自身を含む): 42050880

約数和(自身を除く): 21619888

約数列:

[1, 2, 4, 8, 16, 23, 46, 59, 92, 118, 184, 236, 368, 472, 941, 944, 1357, 1882, 2714, 3764, 5428, 7528, 10856, 15056, 21643, 21712, 43286, 55519, 86572, 111038, 173144, 222076, 346288, 444152, 888304, 1276937, 2553874, 5107748, 10215496, 20430992]

約数ペア:

[(1, 20430992), (2, 10215496), (4, 5107748), (8, 2553874), (16, 1276937), (23, 888304), (46, 444152), (59, 346288), (92, 222076), (118, 173144), (184, 111038), (236, 86572), (368, 55519), (472, 43286), (941, 21712), (944, 21643), (1357, 15056), (1882, 10856), (2714, 7528), (3764, 5428)]