20285880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{169049}}^1$

素因数の和:169063

約数の個数: 32

約数和(自身を含む): 60858000

約数和(自身を除く): 40572120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 169049, 338098, 507147, 676196, 845245, 1014294, 1352392, 1690490, 2028588, 2535735, 3380980, 4057176, 5071470, 6761960, 10142940, 20285880]

約数ペア:

[(1, 20285880), (2, 10142940), (3, 6761960), (4, 5071470), (5, 4057176), (6, 3380980), (8, 2535735), (10, 2028588), (12, 1690490), (15, 1352392), (20, 1014294), (24, 845245), (30, 676196), (40, 507147), (60, 338098), (120, 169049)]