20641569333

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12765349}}^1$

素因数の和:12765377

約数の個数: 24

約数和(自身を含む): 34925997600

約数和(自身を除く): 14284428267

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 12765349, 38296047, 89357443, 140418839, 268072329, 421256517, 625502101, 982931873, 1876506303, 2948795619, 6880523111, 20641569333]

約数ペア:

[(1, 20641569333), (3, 6880523111), (7, 2948795619), (11, 1876506303), (21, 982931873), (33, 625502101), (49, 421256517), (77, 268072329), (147, 140418839), (231, 89357443), (539, 38296047), (1617, 12765349)]