20471927

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2423}}^1$

素因数の和:2518

約数の個数: 16

約数和(自身を含む): 25132032

約数和(自身を除く): 4660105

約数列:

[1, 7, 17, 71, 119, 497, 1207, 2423, 8449, 16961, 41191, 172033, 288337, 1204231, 2924561, 20471927]

約数ペア:

[(1, 20471927), (7, 2924561), (17, 1204231), (71, 288337), (119, 172033), (497, 41191), (1207, 16961), (2423, 8449)]