20743544

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1283}}^1$

素因数の和:1379

約数の個数: 32

約数和(自身を含む): 40677120

約数和(自身を除く): 19933576

約数列:

[1, 2, 4, 8, 43, 47, 86, 94, 172, 188, 344, 376, 1283, 2021, 2566, 4042, 5132, 8084, 10264, 16168, 55169, 60301, 110338, 120602, 220676, 241204, 441352, 482408, 2592943, 5185886, 10371772, 20743544]

約数ペア:

[(1, 20743544), (2, 10371772), (4, 5185886), (8, 2592943), (43, 482408), (47, 441352), (86, 241204), (94, 220676), (172, 120602), (188, 110338), (344, 60301), (376, 55169), (1283, 16168), (2021, 10264), (2566, 8084), (4042, 5132)]