20640402

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{39541}}^1$

素因数の和:39578

約数の個数: 24

約数和(自身を含む): 46264140

約数和(自身を除く): 25623738

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 522, 39541, 79082, 118623, 237246, 355869, 711738, 1146689, 2293378, 3440067, 6880134, 10320201, 20640402]

約数ペア:

[(1, 20640402), (2, 10320201), (3, 6880134), (6, 3440067), (9, 2293378), (18, 1146689), (29, 711738), (58, 355869), (87, 237246), (174, 118623), (261, 79082), (522, 39541)]