20726260

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{6863}}^1$

素因数の和:7023

約数の個数: 24

約数和(自身を含む): 43819776

約数和(自身を除く): 23093516

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 6863, 13726, 27452, 34315, 68630, 137260, 1036313, 2072626, 4145252, 5181565, 10363130, 20726260]

約数ペア:

[(1, 20726260), (2, 10363130), (4, 5181565), (5, 4145252), (10, 2072626), (20, 1036313), (151, 137260), (302, 68630), (604, 34315), (755, 27452), (1510, 13726), (3020, 6863)]