20542856

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{613}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 39787200

約数和(自身を除く): 19244344

約数列:

[1, 2, 4, 8, 59, 71, 118, 142, 236, 284, 472, 568, 613, 1226, 2452, 4189, 4904, 8378, 16756, 33512, 36167, 43523, 72334, 87046, 144668, 174092, 289336, 348184, 2567857, 5135714, 10271428, 20542856]

約数ペア:

[(1, 20542856), (2, 10271428), (4, 5135714), (8, 2567857), (59, 348184), (71, 289336), (118, 174092), (142, 144668), (236, 87046), (284, 72334), (472, 43523), (568, 36167), (613, 33512), (1226, 16756), (2452, 8378), (4189, 4904)]