20800756

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{523}}^1$

素因数の和:751

約数の個数: 24

約数和(自身を含む): 37296224

約数和(自身を除く): 16495468

約数列:

[1, 2, 4, 61, 122, 163, 244, 326, 523, 652, 1046, 2092, 9943, 19886, 31903, 39772, 63806, 85249, 127612, 170498, 340996, 5200189, 10400378, 20800756]

約数ペア:

[(1, 20800756), (2, 10400378), (4, 5200189), (61, 340996), (122, 170498), (163, 127612), (244, 85249), (326, 63806), (523, 39772), (652, 31903), (1046, 19886), (2092, 9943)]