20171728108

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1657}}^1\times {\mathrm{10111}}^1$

素因数の和:11822

約数の個数: 48

約数和(自身を含む): 41310674944

約数和(自身を除く): 21138946836

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 1657, 3314, 6628, 10111, 11599, 20222, 23198, 40444, 46396, 70777, 71251, 141554, 142502, 283108, 285004, 434773, 498757, 869546, 997514, 1739092, 1995028, 3043411, 6086822, 12173644, 16753927, 33507854, 67015708, 117277489, 234554978, 469109956, 720418861, 1440837722, 2881675444, 5042932027, 10085864054, 20171728108]

約数ペア:

[(1, 20171728108), (2, 10085864054), (4, 5042932027), (7, 2881675444), (14, 1440837722), (28, 720418861), (43, 469109956), (86, 234554978), (172, 117277489), (301, 67015708), (602, 33507854), (1204, 16753927), (1657, 12173644), (3314, 6086822), (6628, 3043411), (10111, 1995028), (11599, 1739092), (20222, 997514), (23198, 869546), (40444, 498757), (46396, 434773), (70777, 285004), (71251, 283108), (141554, 142502)]