20910867

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{1559}}^1$

素因数の和:1842

約数の個数: 16

約数和(自身を含む): 29652480

約数和(自身を除く): 8741613

約数列:

[1, 3, 17, 51, 263, 789, 1559, 4471, 4677, 13413, 26503, 79509, 410017, 1230051, 6970289, 20910867]

約数ペア:

[(1, 20910867), (3, 6970289), (17, 1230051), (51, 410017), (263, 79509), (789, 26503), (1559, 13413), (4471, 4677)]