20894040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{457}}^1$

素因数の和:601

約数の個数: 96

約数和(自身を含む): 68590080

約数和(自身を除く): 47696040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 127, 180, 254, 360, 381, 457, 508, 635, 762, 914, 1016, 1143, 1270, 1371, 1524, 1828, 1905, 2285, 2286, 2540, 2742, 3048, 3656, 3810, 4113, 4570, 4572, 5080, 5484, 5715, 6855, 7620, 8226, 9140, 9144, 10968, 11430, 13710, 15240, 16452, 18280, 20565, 22860, 27420, 32904, 41130, 45720, 54840, 58039, 82260, 116078, 164520, 174117, 232156, 290195, 348234, 464312, 522351, 580390, 696468, 870585, 1044702, 1160780, 1392936, 1741170, 2089404, 2321560, 2611755, 3482340, 4178808, 5223510, 6964680, 10447020, 20894040]

約数ペア:

[(1, 20894040), (2, 10447020), (3, 6964680), (4, 5223510), (5, 4178808), (6, 3482340), (8, 2611755), (9, 2321560), (10, 2089404), (12, 1741170), (15, 1392936), (18, 1160780), (20, 1044702), (24, 870585), (30, 696468), (36, 580390), (40, 522351), (45, 464312), (60, 348234), (72, 290195), (90, 232156), (120, 174117), (127, 164520), (180, 116078), (254, 82260), (360, 58039), (381, 54840), (457, 45720), (508, 41130), (635, 32904), (762, 27420), (914, 22860), (1016, 20565), (1143, 18280), (1270, 16452), (1371, 15240), (1524, 13710), (1828, 11430), (1905, 10968), (2285, 9144), (2286, 9140), (2540, 8226), (2742, 7620), (3048, 6855), (3656, 5715), (3810, 5484), (4113, 5080), (4570, 4572)]