20631919

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{5701}}^1$

素因数の和:5766

約数の個数: 16

約数和(自身を含む): 26274816

約数和(自身を除く): 5642897

約数列:

[1, 7, 11, 47, 77, 329, 517, 3619, 5701, 39907, 62711, 267947, 438977, 1875629, 2947417, 20631919]

約数ペア:

[(1, 20631919), (7, 2947417), (11, 1875629), (47, 438977), (77, 267947), (329, 62711), (517, 39907), (3619, 5701)]