20149105858

素因数分解:

$2^1\times 7^2\times {\mathrm{487}}^1\times {\mathrm{422183}}^1$

素因数の和:422686

約数の個数: 24

約数和(自身を含む): 35230410432

約数和(自身を除く): 15081304574

約数列:

[1, 2, 7, 14, 49, 98, 487, 974, 3409, 6818, 23863, 47726, 422183, 844366, 2955281, 5910562, 20686967, 41373934, 205603121, 411206242, 1439221847, 2878443694, 10074552929, 20149105858]

約数ペア:

[(1, 20149105858), (2, 10074552929), (7, 2878443694), (14, 1439221847), (49, 411206242), (98, 205603121), (487, 41373934), (974, 20686967), (3409, 5910562), (6818, 2955281), (23863, 844366), (47726, 422183)]