20487686

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1\times {\mathrm{983}}^1$

素因数の和:1615

約数の個数: 16

約数和(自身を含む): 32625504

約数和(自身を除く): 12137818

約数列:

[1, 2, 17, 34, 613, 983, 1226, 1966, 10421, 16711, 20842, 33422, 602579, 1205158, 10243843, 20487686]

約数ペア:

[(1, 20487686), (2, 10243843), (17, 1205158), (34, 602579), (613, 33422), (983, 20842), (1226, 16711), (1966, 10421)]