19740540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{329009}}^1$

素因数の和:329021

約数の個数: 24

約数和(自身を含む): 55273680

約数和(自身を除く): 35533140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 329009, 658018, 987027, 1316036, 1645045, 1974054, 3290090, 3948108, 4935135, 6580180, 9870270, 19740540]

約数ペア:

[(1, 19740540), (2, 9870270), (3, 6580180), (4, 4935135), (5, 3948108), (6, 3290090), (10, 1974054), (12, 1645045), (15, 1316036), (20, 987027), (30, 658018), (60, 329009)]