20128776858

素因数分解:

$2^1\times 3^4\times {\mathrm{151}}^1\times {\mathrm{757}}^1\times {\mathrm{1087}}^1$

素因数の和:2009

約数の個数: 80

約数和(自身を含む): 45503867904

約数和(自身を除く): 25375091046

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 151, 162, 302, 453, 757, 906, 1087, 1359, 1514, 2174, 2271, 2718, 3261, 4077, 4542, 6522, 6813, 8154, 9783, 12231, 13626, 19566, 20439, 24462, 29349, 40878, 58698, 61317, 88047, 114307, 122634, 164137, 176094, 228614, 328274, 342921, 492411, 685842, 822859, 984822, 1028763, 1477233, 1645718, 2057526, 2468577, 2954466, 3086289, 4431699, 4937154, 6172578, 7405731, 8863398, 9258867, 13295097, 14811462, 18517734, 22217193, 26590194, 44434386, 66651579, 124251709, 133303158, 248503418, 372755127, 745510254, 1118265381, 2236530762, 3354796143, 6709592286, 10064388429, 20128776858]

約数ペア:

[(1, 20128776858), (2, 10064388429), (3, 6709592286), (6, 3354796143), (9, 2236530762), (18, 1118265381), (27, 745510254), (54, 372755127), (81, 248503418), (151, 133303158), (162, 124251709), (302, 66651579), (453, 44434386), (757, 26590194), (906, 22217193), (1087, 18517734), (1359, 14811462), (1514, 13295097), (2174, 9258867), (2271, 8863398), (2718, 7405731), (3261, 6172578), (4077, 4937154), (4542, 4431699), (6522, 3086289), (6813, 2954466), (8154, 2468577), (9783, 2057526), (12231, 1645718), (13626, 1477233), (19566, 1028763), (20439, 984822), (24462, 822859), (29349, 685842), (40878, 492411), (58698, 342921), (61317, 328274), (88047, 228614), (114307, 176094), (122634, 164137)]