20454930

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{25253}}^1$

素因数の和:25272

約数の個数: 40

約数和(自身を含む): 55003212

約数和(自身を除く): 34548282

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 25253, 50506, 75759, 126265, 151518, 227277, 252530, 378795, 454554, 681831, 757590, 1136385, 1363662, 2045493, 2272770, 3409155, 4090986, 6818310, 10227465, 20454930]

約数ペア:

[(1, 20454930), (2, 10227465), (3, 6818310), (5, 4090986), (6, 3409155), (9, 2272770), (10, 2045493), (15, 1363662), (18, 1136385), (27, 757590), (30, 681831), (45, 454554), (54, 378795), (81, 252530), (90, 227277), (135, 151518), (162, 126265), (270, 75759), (405, 50506), (810, 25253)]