20178875344

素因数分解:

$2^4\times {\mathrm{167777}}^1\times {\mathrm{7517}}^1$

素因数の和:175302

約数の個数: 20

約数和(自身を含む): 39102005124

約数和(自身を除く): 18923129780

約数列:

[1, 2, 4, 8, 16, 7517, 15034, 30068, 60136, 120272, 167777, 335554, 671108, 1342216, 2684432, 1261179709, 2522359418, 5044718836, 10089437672, 20178875344]

約数ペア:

[(1, 20178875344), (2, 10089437672), (4, 5044718836), (8, 2522359418), (16, 1261179709), (7517, 2684432), (15034, 1342216), (30068, 671108), (60136, 335554), (120272, 167777)]