20736003988

素因数分解:

$2^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{4970279}}^1$

素因数の和:4970439

約数の個数: 24

約数和(自身を含む): 41750352000

約数和(自身を除く): 21014348012

約数列:

[1, 2, 4, 7, 14, 28, 149, 298, 596, 1043, 2086, 4172, 4970279, 9940558, 19881116, 34791953, 69583906, 139167812, 740571571, 1481143142, 2962286284, 5184000997, 10368001994, 20736003988]

約数ペア:

[(1, 20736003988), (2, 10368001994), (4, 5184000997), (7, 2962286284), (14, 1481143142), (28, 740571571), (149, 139167812), (298, 69583906), (596, 34791953), (1043, 19881116), (2086, 9940558), (4172, 4970279)]