20028990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3389}}^1$

素因数の和:3596

約数の個数: 32

約数和(自身を含む): 48327840

約数和(自身を除く): 28298850

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 197, 394, 591, 985, 1182, 1970, 2955, 3389, 5910, 6778, 10167, 16945, 20334, 33890, 50835, 101670, 667633, 1335266, 2002899, 3338165, 4005798, 6676330, 10014495, 20028990]

約数ペア:

[(1, 20028990), (2, 10014495), (3, 6676330), (5, 4005798), (6, 3338165), (10, 2002899), (15, 1335266), (30, 667633), (197, 101670), (394, 50835), (591, 33890), (985, 20334), (1182, 16945), (1970, 10167), (2955, 6778), (3389, 5910)]