20730149

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:556

約数の個数: 16

約数和(自身を含む): 23383296

約数和(自身を除く): 2653147

約数列:

[1, 11, 47, 101, 397, 517, 1111, 4367, 4747, 18659, 40097, 52217, 205249, 441067, 1884559, 20730149]

約数ペア:

[(1, 20730149), (11, 1884559), (47, 441067), (101, 205249), (397, 52217), (517, 40097), (1111, 18659), (4367, 4747)]