20490230

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{701}}^1$

素因数の和:824

約数の個数: 32

約数和(自身を含む): 38413440

約数和(自身を除く): 17923210

約数列:

[1, 2, 5, 10, 37, 74, 79, 158, 185, 370, 395, 701, 790, 1402, 2923, 3505, 5846, 7010, 14615, 25937, 29230, 51874, 55379, 110758, 129685, 259370, 276895, 553790, 2049023, 4098046, 10245115, 20490230]

約数ペア:

[(1, 20490230), (2, 10245115), (5, 4098046), (10, 2049023), (37, 553790), (74, 276895), (79, 259370), (158, 129685), (185, 110758), (370, 55379), (395, 51874), (701, 29230), (790, 25937), (1402, 14615), (2923, 7010), (3505, 5846)]