20922128157

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1433}}^1\times {\mathrm{40897}}^1$

素因数の和:42357

約数の個数: 32

約数和(自身を含む): 33781093632

約数和(自身を除く): 12858965475

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 1433, 4299, 10031, 24361, 30093, 40897, 73083, 122691, 170527, 286279, 511581, 695249, 858837, 2085747, 4866743, 14600229, 58605401, 175816203, 410237807, 996291817, 1230713421, 2988875451, 6974042719, 20922128157]

約数ペア:

[(1, 20922128157), (3, 6974042719), (7, 2988875451), (17, 1230713421), (21, 996291817), (51, 410237807), (119, 175816203), (357, 58605401), (1433, 14600229), (4299, 4866743), (10031, 2085747), (24361, 858837), (30093, 695249), (40897, 511581), (73083, 286279), (122691, 170527)]