20389080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{169909}}^1$

素因数の和:169923

約数の個数: 32

約数和(自身を含む): 61167600

約数和(自身を除く): 40778520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 169909, 339818, 509727, 679636, 849545, 1019454, 1359272, 1699090, 2038908, 2548635, 3398180, 4077816, 5097270, 6796360, 10194540, 20389080]

約数ペア:

[(1, 20389080), (2, 10194540), (3, 6796360), (4, 5097270), (5, 4077816), (6, 3398180), (8, 2548635), (10, 2038908), (12, 1699090), (15, 1359272), (20, 1019454), (24, 849545), (30, 679636), (40, 509727), (60, 339818), (120, 169909)]