20386758

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{11839}}^1$

素因数の和:11892

約数の個数: 32

約数和(自身を含む): 47738880

約数和(自身を除く): 27352122

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722, 11839, 23678, 35517, 71034, 82873, 165746, 248619, 485399, 497238, 970798, 1456197, 2912394, 3397793, 6795586, 10193379, 20386758]

約数ペア:

[(1, 20386758), (2, 10193379), (3, 6795586), (6, 3397793), (7, 2912394), (14, 1456197), (21, 970798), (41, 497238), (42, 485399), (82, 248619), (123, 165746), (246, 82873), (287, 71034), (574, 35517), (861, 23678), (1722, 11839)]