20888948781

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{693041}}^1$

素因数の和:693261

約数の個数: 24

約数和(自身を含む): 32110021944

約数和(自身を除く): 11221073163

約数列:

[1, 3, 9, 17, 51, 153, 197, 591, 1773, 3349, 10047, 30141, 693041, 2079123, 6237369, 11781697, 35345091, 106035273, 136529077, 409587231, 1228761693, 2320994309, 6962982927, 20888948781]

約数ペア:

[(1, 20888948781), (3, 6962982927), (9, 2320994309), (17, 1228761693), (51, 409587231), (153, 136529077), (197, 106035273), (591, 35345091), (1773, 11781697), (3349, 6237369), (10047, 2079123), (30141, 693041)]