20407586

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{1303}}^1$

素因数の和:1537

約数の個数: 16

約数和(自身を含む): 31546368

約数和(自身を除く): 11138782

約数列:

[1, 2, 41, 82, 191, 382, 1303, 2606, 7831, 15662, 53423, 106846, 248873, 497746, 10203793, 20407586]

約数ペア:

[(1, 20407586), (2, 10203793), (41, 497746), (82, 248873), (191, 106846), (382, 53423), (1303, 15662), (2606, 7831)]