20512897718

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{75211}}^1$

素因数の和:75380

約数の個数: 32

約数和(自身を含む): 32751516672

約数和(自身を除く): 12238618954

約数列:

[1, 2, 31, 53, 62, 83, 106, 166, 1643, 2573, 3286, 4399, 5146, 8798, 75211, 136369, 150422, 272738, 2331541, 3986183, 4663082, 6242513, 7972366, 12485026, 123571673, 193517903, 247143346, 330853189, 387035806, 661706378, 10256448859, 20512897718]

約数ペア:

[(1, 20512897718), (2, 10256448859), (31, 661706378), (53, 387035806), (62, 330853189), (83, 247143346), (106, 193517903), (166, 123571673), (1643, 12485026), (2573, 7972366), (3286, 6242513), (4399, 4663082), (5146, 3986183), (8798, 2331541), (75211, 272738), (136369, 150422)]