20577958

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1\times {\mathrm{523}}^1$

素因数の和:819

約数の個数: 16

約数和(自身を含む): 31389696

約数和(自身を除く): 10811738

約数列:

[1, 2, 103, 191, 206, 382, 523, 1046, 19673, 39346, 53869, 99893, 107738, 199786, 10288979, 20577958]

約数ペア:

[(1, 20577958), (2, 10288979), (103, 199786), (191, 107738), (206, 99893), (382, 53869), (523, 39346), (1046, 19673)]