20765760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:340

約数の個数: 112

約数和(自身を含む): 66909696

約数和(自身を除く): 46143936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 97, 120, 160, 192, 194, 223, 240, 291, 320, 388, 446, 480, 485, 582, 669, 776, 892, 960, 970, 1115, 1164, 1338, 1455, 1552, 1784, 1940, 2230, 2328, 2676, 2910, 3104, 3345, 3568, 3880, 4460, 4656, 5352, 5820, 6208, 6690, 7136, 7760, 8920, 9312, 10704, 11640, 13380, 14272, 15520, 17840, 18624, 21408, 21631, 23280, 26760, 31040, 35680, 42816, 43262, 46560, 53520, 64893, 71360, 86524, 93120, 107040, 108155, 129786, 173048, 214080, 216310, 259572, 324465, 346096, 432620, 519144, 648930, 692192, 865240, 1038288, 1297860, 1384384, 1730480, 2076576, 2595720, 3460960, 4153152, 5191440, 6921920, 10382880, 20765760]

約数ペア:

[(1, 20765760), (2, 10382880), (3, 6921920), (4, 5191440), (5, 4153152), (6, 3460960), (8, 2595720), (10, 2076576), (12, 1730480), (15, 1384384), (16, 1297860), (20, 1038288), (24, 865240), (30, 692192), (32, 648930), (40, 519144), (48, 432620), (60, 346096), (64, 324465), (80, 259572), (96, 216310), (97, 214080), (120, 173048), (160, 129786), (192, 108155), (194, 107040), (223, 93120), (240, 86524), (291, 71360), (320, 64893), (388, 53520), (446, 46560), (480, 43262), (485, 42816), (582, 35680), (669, 31040), (776, 26760), (892, 23280), (960, 21631), (970, 21408), (1115, 18624), (1164, 17840), (1338, 15520), (1455, 14272), (1552, 13380), (1784, 11640), (1940, 10704), (2230, 9312), (2328, 8920), (2676, 7760), (2910, 7136), (3104, 6690), (3345, 6208), (3568, 5820), (3880, 5352), (4460, 4656)]