20210497312

素因数分解:

$2^5\times {\mathrm{199}}^1\times {\mathrm{1297}}^1\times {\mathrm{2447}}^1$

素因数の和:3953

約数の個数: 48

約数和(自身を含む): 40036550400

約数和(自身を除く): 19826053088

約数列:

[1, 2, 4, 8, 16, 32, 199, 398, 796, 1297, 1592, 2447, 2594, 3184, 4894, 5188, 6368, 9788, 10376, 19576, 20752, 39152, 41504, 78304, 258103, 486953, 516206, 973906, 1032412, 1947812, 2064824, 3173759, 3895624, 4129648, 6347518, 7791248, 8259296, 12695036, 15582496, 25390072, 50780144, 101560288, 631578041, 1263156082, 2526312164, 5052624328, 10105248656, 20210497312]

約数ペア:

[(1, 20210497312), (2, 10105248656), (4, 5052624328), (8, 2526312164), (16, 1263156082), (32, 631578041), (199, 101560288), (398, 50780144), (796, 25390072), (1297, 15582496), (1592, 12695036), (2447, 8259296), (2594, 7791248), (3184, 6347518), (4894, 4129648), (5188, 3895624), (6368, 3173759), (9788, 2064824), (10376, 1947812), (19576, 1032412), (20752, 973906), (39152, 516206), (41504, 486953), (78304, 258103)]