20679918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3877}}^1$

素因数の和:4016

約数の個数: 32

約数和(自身を含む): 47652864

約数和(自身を除く): 26972946

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 127, 254, 381, 762, 889, 1778, 2667, 3877, 5334, 7754, 11631, 23262, 27139, 54278, 81417, 162834, 492379, 984758, 1477137, 2954274, 3446653, 6893306, 10339959, 20679918]

約数ペア:

[(1, 20679918), (2, 10339959), (3, 6893306), (6, 3446653), (7, 2954274), (14, 1477137), (21, 984758), (42, 492379), (127, 162834), (254, 81417), (381, 54278), (762, 27139), (889, 23262), (1778, 11631), (2667, 7754), (3877, 5334)]