20811504

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2693}}^1$

素因数の和:2734

約数の個数: 80

約数和(自身を含む): 64138752

約数和(自身を除く): 43327248

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 56, 69, 84, 92, 112, 138, 161, 168, 184, 276, 322, 336, 368, 483, 552, 644, 966, 1104, 1288, 1932, 2576, 2693, 3864, 5386, 7728, 8079, 10772, 16158, 18851, 21544, 32316, 37702, 43088, 56553, 61939, 64632, 75404, 113106, 123878, 129264, 150808, 185817, 226212, 247756, 301616, 371634, 433573, 452424, 495512, 743268, 867146, 904848, 991024, 1300719, 1486536, 1734292, 2601438, 2973072, 3468584, 5202876, 6937168, 10405752, 20811504]

約数ペア:

[(1, 20811504), (2, 10405752), (3, 6937168), (4, 5202876), (6, 3468584), (7, 2973072), (8, 2601438), (12, 1734292), (14, 1486536), (16, 1300719), (21, 991024), (23, 904848), (24, 867146), (28, 743268), (42, 495512), (46, 452424), (48, 433573), (56, 371634), (69, 301616), (84, 247756), (92, 226212), (112, 185817), (138, 150808), (161, 129264), (168, 123878), (184, 113106), (276, 75404), (322, 64632), (336, 61939), (368, 56553), (483, 43088), (552, 37702), (644, 32316), (966, 21544), (1104, 18851), (1288, 16158), (1932, 10772), (2576, 8079), (2693, 7728), (3864, 5386)]