20295660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:244

約数の個数: 192

約数和(自身を含む): 74317824

約数和(自身を除く): 54022164

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, 191, 210, 220, 230, 231, 253, 276, 308, 322, 330, 345, 382, 385, 420, 460, 462, 483, 506, 573, 644, 660, 690, 759, 764, 770, 805, 924, 955, 966, 1012, 1146, 1155, 1265, 1337, 1380, 1518, 1540, 1610, 1771, 1910, 1932, 2101, 2292, 2310, 2415, 2530, 2674, 2865, 3036, 3220, 3542, 3795, 3820, 4011, 4202, 4393, 4620, 4830, 5060, 5313, 5348, 5730, 6303, 6685, 7084, 7590, 8022, 8404, 8786, 8855, 9660, 10505, 10626, 11460, 12606, 13179, 13370, 14707, 15180, 16044, 17572, 17710, 20055, 21010, 21252, 21965, 25212, 26358, 26565, 26740, 29414, 30751, 31515, 35420, 40110, 42020, 43930, 44121, 48323, 52716, 53130, 58828, 61502, 63030, 65895, 73535, 80220, 87860, 88242, 92253, 96646, 106260, 123004, 126060, 131790, 144969, 147070, 153755, 176484, 184506, 193292, 220605, 241615, 263580, 289938, 294140, 307510, 338261, 369012, 441210, 461265, 483230, 579876, 615020, 676522, 724845, 882420, 922530, 966460, 1014783, 1353044, 1449690, 1691305, 1845060, 2029566, 2899380, 3382610, 4059132, 5073915, 6765220, 10147830, 20295660]

約数ペア:

[(1, 20295660), (2, 10147830), (3, 6765220), (4, 5073915), (5, 4059132), (6, 3382610), (7, 2899380), (10, 2029566), (11, 1845060), (12, 1691305), (14, 1449690), (15, 1353044), (20, 1014783), (21, 966460), (22, 922530), (23, 882420), (28, 724845), (30, 676522), (33, 615020), (35, 579876), (42, 483230), (44, 461265), (46, 441210), (55, 369012), (60, 338261), (66, 307510), (69, 294140), (70, 289938), (77, 263580), (84, 241615), (92, 220605), (105, 193292), (110, 184506), (115, 176484), (132, 153755), (138, 147070), (140, 144969), (154, 131790), (161, 126060), (165, 123004), (191, 106260), (210, 96646), (220, 92253), (230, 88242), (231, 87860), (253, 80220), (276, 73535), (308, 65895), (322, 63030), (330, 61502), (345, 58828), (382, 53130), (385, 52716), (420, 48323), (460, 44121), (462, 43930), (483, 42020), (506, 40110), (573, 35420), (644, 31515), (660, 30751), (690, 29414), (759, 26740), (764, 26565), (770, 26358), (805, 25212), (924, 21965), (955, 21252), (966, 21010), (1012, 20055), (1146, 17710), (1155, 17572), (1265, 16044), (1337, 15180), (1380, 14707), (1518, 13370), (1540, 13179), (1610, 12606), (1771, 11460), (1910, 10626), (1932, 10505), (2101, 9660), (2292, 8855), (2310, 8786), (2415, 8404), (2530, 8022), (2674, 7590), (2865, 7084), (3036, 6685), (3220, 6303), (3542, 5730), (3795, 5348), (3820, 5313), (4011, 5060), (4202, 4830), (4393, 4620)]