20403422

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{5197}}^1$

素因数の和:5363

約数の個数: 16

約数和(自身を含む): 33184032

約数和(自身を除く): 12780610

約数列:

[1, 2, 13, 26, 151, 302, 1963, 3926, 5197, 10394, 67561, 135122, 784747, 1569494, 10201711, 20403422]

約数ペア:

[(1, 20403422), (2, 10201711), (13, 1569494), (26, 784747), (151, 135122), (302, 67561), (1963, 10394), (3926, 5197)]