20170109620

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{439}}^1\times {\mathrm{11903}}^1$

素因数の和:12544

約数の個数: 48

約数和(自身を含む): 42677268480

約数和(自身を除く): 22507158860

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 439, 772, 878, 965, 1756, 1930, 2195, 3860, 4390, 8780, 11903, 23806, 47612, 59515, 84727, 119030, 169454, 238060, 338908, 423635, 847270, 1694540, 2297279, 4594558, 5225417, 9189116, 10450834, 11486395, 20901668, 22972790, 26127085, 45945580, 52254170, 104508340, 1008505481, 2017010962, 4034021924, 5042527405, 10085054810, 20170109620]

約数ペア:

[(1, 20170109620), (2, 10085054810), (4, 5042527405), (5, 4034021924), (10, 2017010962), (20, 1008505481), (193, 104508340), (386, 52254170), (439, 45945580), (772, 26127085), (878, 22972790), (965, 20901668), (1756, 11486395), (1930, 10450834), (2195, 9189116), (3860, 5225417), (4390, 4594558), (8780, 2297279), (11903, 1694540), (23806, 847270), (47612, 423635), (59515, 338908), (84727, 238060), (119030, 169454)]