20512999884033

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{3931}}^1\times {\mathrm{254413}}^1$

素因数の和:258446

約数の個数: 48

約数和(自身を含む): 30898991433024

約数和(自身を除く): 10385991548991

約数列:

[1, 3, 9, 43, 53, 129, 159, 387, 477, 2279, 3931, 6837, 11793, 20511, 35379, 169033, 208343, 254413, 507099, 625029, 763239, 1521297, 1875087, 2289717, 8958749, 10939759, 13483889, 26876247, 32819277, 40451667, 80628741, 98457831, 121355001, 579807227, 1000097503, 1739421681, 3000292509, 5218265043, 9000877527, 43004192629, 53005167659, 129012577887, 159015502977, 387037733661, 477046508931, 2279222209337, 6837666628011, 20512999884033]

約数ペア:

[(1, 20512999884033), (3, 6837666628011), (9, 2279222209337), (43, 477046508931), (53, 387037733661), (129, 159015502977), (159, 129012577887), (387, 53005167659), (477, 43004192629), (2279, 9000877527), (3931, 5218265043), (6837, 3000292509), (11793, 1739421681), (20511, 1000097503), (35379, 579807227), (169033, 121355001), (208343, 98457831), (254413, 80628741), (507099, 40451667), (625029, 32819277), (763239, 26876247), (1521297, 13483889), (1875087, 10939759), (2289717, 8958749)]