20148840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{577}}^1$

素因数の和:691

約数の個数: 96

約数和(自身を含む): 66273480

約数和(自身を除く): 46124640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 97, 120, 180, 194, 291, 360, 388, 485, 577, 582, 776, 873, 970, 1154, 1164, 1455, 1731, 1746, 1940, 2308, 2328, 2885, 2910, 3462, 3492, 3880, 4365, 4616, 5193, 5770, 5820, 6924, 6984, 8655, 8730, 10386, 11540, 11640, 13848, 17310, 17460, 20772, 23080, 25965, 34620, 34920, 41544, 51930, 55969, 69240, 103860, 111938, 167907, 207720, 223876, 279845, 335814, 447752, 503721, 559690, 671628, 839535, 1007442, 1119380, 1343256, 1679070, 2014884, 2238760, 2518605, 3358140, 4029768, 5037210, 6716280, 10074420, 20148840]

約数ペア:

[(1, 20148840), (2, 10074420), (3, 6716280), (4, 5037210), (5, 4029768), (6, 3358140), (8, 2518605), (9, 2238760), (10, 2014884), (12, 1679070), (15, 1343256), (18, 1119380), (20, 1007442), (24, 839535), (30, 671628), (36, 559690), (40, 503721), (45, 447752), (60, 335814), (72, 279845), (90, 223876), (97, 207720), (120, 167907), (180, 111938), (194, 103860), (291, 69240), (360, 55969), (388, 51930), (485, 41544), (577, 34920), (582, 34620), (776, 25965), (873, 23080), (970, 20772), (1154, 17460), (1164, 17310), (1455, 13848), (1731, 11640), (1746, 11540), (1940, 10386), (2308, 8730), (2328, 8655), (2885, 6984), (2910, 6924), (3462, 5820), (3492, 5770), (3880, 5193), (4365, 4616)]