20050877

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2389}}^1$

素因数の和:2516

約数の個数: 16

約数和(自身を含む): 25238400

約数和(自身を除く): 5187523

約数列:

[1, 7, 11, 77, 109, 763, 1199, 2389, 8393, 16723, 26279, 183953, 260401, 1822807, 2864411, 20050877]

約数ペア:

[(1, 20050877), (7, 2864411), (11, 1822807), (77, 260401), (109, 183953), (763, 26279), (1199, 16723), (2389, 8393)]