20005970439

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{22709}}^1$

素因数の和:23200

約数の個数: 48

約数和(自身を含む): 33490527840

約数和(自身を除く): 13484557401

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 461, 637, 1383, 1911, 3227, 5993, 9681, 17979, 22589, 22709, 41951, 67767, 68127, 125853, 158963, 293657, 295217, 476889, 880971, 885651, 1112741, 2066519, 3338223, 6199557, 10468849, 14465633, 31406547, 43396899, 73281943, 136095037, 219845829, 408285111, 512973601, 952665259, 1538920803, 2857995777, 6668656813, 20005970439]

約数ペア:

[(1, 20005970439), (3, 6668656813), (7, 2857995777), (13, 1538920803), (21, 952665259), (39, 512973601), (49, 408285111), (91, 219845829), (147, 136095037), (273, 73281943), (461, 43396899), (637, 31406547), (1383, 14465633), (1911, 10468849), (3227, 6199557), (5993, 3338223), (9681, 2066519), (17979, 1112741), (22589, 885651), (22709, 880971), (41951, 476889), (67767, 295217), (68127, 293657), (125853, 158963)]