20207776390

素因数分解:

$2^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{2497871}}^1$

素因数の和:2498687

約数の個数: 16

約数和(自身を含む): 36418973760

約数和(自身を除く): 16211197370

約数列:

[1, 2, 5, 10, 809, 1618, 4045, 8090, 2497871, 4995742, 12489355, 24978710, 2020777639, 4041555278, 10103888195, 20207776390]

約数ペア:

[(1, 20207776390), (2, 10103888195), (5, 4041555278), (10, 2020777639), (809, 24978710), (1618, 12489355), (4045, 4995742), (8090, 2497871)]