20540142

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:387

約数の個数: 80

約数和(自身を含む): 53665920

約数和(自身を除く): 33125778

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 59, 63, 81, 118, 126, 162, 177, 189, 307, 354, 378, 413, 531, 567, 614, 826, 921, 1062, 1134, 1239, 1593, 1842, 2149, 2478, 2763, 3186, 3717, 4298, 4779, 5526, 6447, 7434, 8289, 9558, 11151, 12894, 16578, 18113, 19341, 22302, 24867, 33453, 36226, 38682, 49734, 54339, 58023, 66906, 108678, 116046, 126791, 163017, 174069, 253582, 326034, 348138, 380373, 489051, 760746, 978102, 1141119, 1467153, 2282238, 2934306, 3423357, 6846714, 10270071, 20540142]

約数ペア:

[(1, 20540142), (2, 10270071), (3, 6846714), (6, 3423357), (7, 2934306), (9, 2282238), (14, 1467153), (18, 1141119), (21, 978102), (27, 760746), (42, 489051), (54, 380373), (59, 348138), (63, 326034), (81, 253582), (118, 174069), (126, 163017), (162, 126791), (177, 116046), (189, 108678), (307, 66906), (354, 58023), (378, 54339), (413, 49734), (531, 38682), (567, 36226), (614, 33453), (826, 24867), (921, 22302), (1062, 19341), (1134, 18113), (1239, 16578), (1593, 12894), (1842, 11151), (2149, 9558), (2478, 8289), (2763, 7434), (3186, 6447), (3717, 5526), (4298, 4779)]