20933220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:250

約数の個数: 192

約数和(自身を含む): 76640256

約数和(自身を除く): 55707036

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 23, 28, 30, 33, 35, 42, 44, 46, 55, 60, 66, 69, 70, 77, 84, 92, 105, 110, 115, 132, 138, 140, 154, 161, 165, 197, 210, 220, 230, 231, 253, 276, 308, 322, 330, 345, 385, 394, 420, 460, 462, 483, 506, 591, 644, 660, 690, 759, 770, 788, 805, 924, 966, 985, 1012, 1155, 1182, 1265, 1379, 1380, 1518, 1540, 1610, 1771, 1932, 1970, 2167, 2310, 2364, 2415, 2530, 2758, 2955, 3036, 3220, 3542, 3795, 3940, 4137, 4334, 4531, 4620, 4830, 5060, 5313, 5516, 5910, 6501, 6895, 7084, 7590, 8274, 8668, 8855, 9062, 9660, 10626, 10835, 11820, 13002, 13593, 13790, 15169, 15180, 16548, 17710, 18124, 20685, 21252, 21670, 22655, 26004, 26565, 27186, 27580, 30338, 31717, 32505, 35420, 41370, 43340, 45310, 45507, 49841, 53130, 54372, 60676, 63434, 65010, 67965, 75845, 82740, 90620, 91014, 95151, 99682, 106260, 126868, 130020, 135930, 149523, 151690, 158585, 182028, 190302, 199364, 227535, 249205, 271860, 299046, 303380, 317170, 348887, 380604, 455070, 475755, 498410, 598092, 634340, 697774, 747615, 910140, 951510, 996820, 1046661, 1395548, 1495230, 1744435, 1903020, 2093322, 2990460, 3488870, 4186644, 5233305, 6977740, 10466610, 20933220]

約数ペア:

[(1, 20933220), (2, 10466610), (3, 6977740), (4, 5233305), (5, 4186644), (6, 3488870), (7, 2990460), (10, 2093322), (11, 1903020), (12, 1744435), (14, 1495230), (15, 1395548), (20, 1046661), (21, 996820), (22, 951510), (23, 910140), (28, 747615), (30, 697774), (33, 634340), (35, 598092), (42, 498410), (44, 475755), (46, 455070), (55, 380604), (60, 348887), (66, 317170), (69, 303380), (70, 299046), (77, 271860), (84, 249205), (92, 227535), (105, 199364), (110, 190302), (115, 182028), (132, 158585), (138, 151690), (140, 149523), (154, 135930), (161, 130020), (165, 126868), (197, 106260), (210, 99682), (220, 95151), (230, 91014), (231, 90620), (253, 82740), (276, 75845), (308, 67965), (322, 65010), (330, 63434), (345, 60676), (385, 54372), (394, 53130), (420, 49841), (460, 45507), (462, 45310), (483, 43340), (506, 41370), (591, 35420), (644, 32505), (660, 31717), (690, 30338), (759, 27580), (770, 27186), (788, 26565), (805, 26004), (924, 22655), (966, 21670), (985, 21252), (1012, 20685), (1155, 18124), (1182, 17710), (1265, 16548), (1379, 15180), (1380, 15169), (1518, 13790), (1540, 13593), (1610, 13002), (1771, 11820), (1932, 10835), (1970, 10626), (2167, 9660), (2310, 9062), (2364, 8855), (2415, 8668), (2530, 8274), (2758, 7590), (2955, 7084), (3036, 6895), (3220, 6501), (3542, 5910), (3795, 5516), (3940, 5313), (4137, 5060), (4334, 4830), (4531, 4620)]