20895540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{348259}}^1$

素因数の和:348271

約数の個数: 24

約数和(自身を含む): 58507680

約数和(自身を除く): 37612140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 348259, 696518, 1044777, 1393036, 1741295, 2089554, 3482590, 4179108, 5223885, 6965180, 10447770, 20895540]

約数ペア:

[(1, 20895540), (2, 10447770), (3, 6965180), (4, 5223885), (5, 4179108), (6, 3482590), (10, 2089554), (12, 1741295), (15, 1393036), (20, 1044777), (30, 696518), (60, 348259)]