20996910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:318

約数の個数: 96

約数和(自身を含む): 60383232

約数和(自身を除く): 39386322

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 127, 165, 167, 198, 254, 330, 334, 381, 495, 501, 635, 762, 835, 990, 1002, 1143, 1270, 1397, 1503, 1670, 1837, 1905, 2286, 2505, 2794, 3006, 3674, 3810, 4191, 5010, 5511, 5715, 6985, 7515, 8382, 9185, 11022, 11430, 12573, 13970, 15030, 16533, 18370, 20955, 21209, 25146, 27555, 33066, 41910, 42418, 55110, 62865, 63627, 82665, 106045, 125730, 127254, 165330, 190881, 212090, 233299, 318135, 381762, 466598, 636270, 699897, 954405, 1166495, 1399794, 1908810, 2099691, 2332990, 3499485, 4199382, 6998970, 10498455, 20996910]

約数ペア:

[(1, 20996910), (2, 10498455), (3, 6998970), (5, 4199382), (6, 3499485), (9, 2332990), (10, 2099691), (11, 1908810), (15, 1399794), (18, 1166495), (22, 954405), (30, 699897), (33, 636270), (45, 466598), (55, 381762), (66, 318135), (90, 233299), (99, 212090), (110, 190881), (127, 165330), (165, 127254), (167, 125730), (198, 106045), (254, 82665), (330, 63627), (334, 62865), (381, 55110), (495, 42418), (501, 41910), (635, 33066), (762, 27555), (835, 25146), (990, 21209), (1002, 20955), (1143, 18370), (1270, 16533), (1397, 15030), (1503, 13970), (1670, 12573), (1837, 11430), (1905, 11022), (2286, 9185), (2505, 8382), (2794, 7515), (3006, 6985), (3674, 5715), (3810, 5511), (4191, 5010)]