20805780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{346763}}^1$

素因数の和:346775

約数の個数: 24

約数和(自身を含む): 58256352

約数和(自身を除く): 37450572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 346763, 693526, 1040289, 1387052, 1733815, 2080578, 3467630, 4161156, 5201445, 6935260, 10402890, 20805780]

約数ペア:

[(1, 20805780), (2, 10402890), (3, 6935260), (4, 5201445), (5, 4161156), (6, 3467630), (10, 2080578), (12, 1733815), (15, 1387052), (20, 1040289), (30, 693526), (60, 346763)]