20439330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{681311}}^1$

素因数の和:681321

約数の個数: 16

約数和(自身を含む): 49054464

約数和(自身を除く): 28615134

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 681311, 1362622, 2043933, 3406555, 4087866, 6813110, 10219665, 20439330]

約数ペア:

[(1, 20439330), (2, 10219665), (3, 6813110), (5, 4087866), (6, 3406555), (10, 2043933), (15, 1362622), (30, 681311)]