20986184340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{389}}^1\times {\mathrm{2477}}^1$

素因数の和:2903

約数の個数: 216

約数和(自身を含む): 70179487560

約数和(自身を除く): 49193303220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 389, 396, 484, 495, 605, 660, 726, 778, 990, 1089, 1167, 1210, 1452, 1556, 1815, 1945, 1980, 2178, 2334, 2420, 2477, 3501, 3630, 3890, 4279, 4356, 4668, 4954, 5445, 5835, 7002, 7260, 7431, 7780, 8558, 9908, 10890, 11670, 12385, 12837, 14004, 14862, 17116, 17505, 21395, 21780, 22293, 23340, 24770, 25674, 27247, 29724, 35010, 37155, 38511, 42790, 44586, 47069, 49540, 51348, 54494, 64185, 70020, 74310, 77022, 81741, 85580, 89172, 94138, 108988, 111465, 128370, 136235, 141207, 148620, 154044, 163482, 188276, 192555, 222930, 235345, 245223, 256740, 272470, 282414, 299717, 326964, 385110, 408705, 423621, 445860, 470690, 490446, 544940, 564828, 599434, 706035, 770220, 817410, 847242, 899151, 941380, 963553, 980892, 1198868, 1226115, 1412070, 1498585, 1634820, 1694484, 1798302, 1927106, 2118105, 2452230, 2697453, 2824140, 2890659, 2997170, 3596604, 3854212, 4236210, 4495755, 4817765, 4904460, 5394906, 5781318, 5994340, 8472420, 8671977, 8991510, 9635530, 10599083, 10789812, 11562636, 13487265, 14453295, 17343954, 17983020, 19271060, 21198166, 26974530, 28906590, 31797249, 34687908, 42396332, 43359885, 52995415, 53949060, 57813180, 63594498, 86719770, 95391747, 105990830, 116589913, 127188996, 158986245, 173439540, 190783494, 211981660, 233179826, 317972490, 349769739, 381566988, 466359652, 476958735, 582949565, 635944980, 699539478, 953917470, 1049309217, 1165899130, 1399078956, 1748848695, 1907834940, 2098618434, 2331798260, 3497697390, 4197236868, 5246546085, 6995394780, 10493092170, 20986184340]

約数ペア:

[(1, 20986184340), (2, 10493092170), (3, 6995394780), (4, 5246546085), (5, 4197236868), (6, 3497697390), (9, 2331798260), (10, 2098618434), (11, 1907834940), (12, 1748848695), (15, 1399078956), (18, 1165899130), (20, 1049309217), (22, 953917470), (30, 699539478), (33, 635944980), (36, 582949565), (44, 476958735), (45, 466359652), (55, 381566988), (60, 349769739), (66, 317972490), (90, 233179826), (99, 211981660), (110, 190783494), (121, 173439540), (132, 158986245), (165, 127188996), (180, 116589913), (198, 105990830), (220, 95391747), (242, 86719770), (330, 63594498), (363, 57813180), (389, 53949060), (396, 52995415), (484, 43359885), (495, 42396332), (605, 34687908), (660, 31797249), (726, 28906590), (778, 26974530), (990, 21198166), (1089, 19271060), (1167, 17983020), (1210, 17343954), (1452, 14453295), (1556, 13487265), (1815, 11562636), (1945, 10789812), (1980, 10599083), (2178, 9635530), (2334, 8991510), (2420, 8671977), (2477, 8472420), (3501, 5994340), (3630, 5781318), (3890, 5394906), (4279, 4904460), (4356, 4817765), (4668, 4495755), (4954, 4236210), (5445, 3854212), (5835, 3596604), (7002, 2997170), (7260, 2890659), (7431, 2824140), (7780, 2697453), (8558, 2452230), (9908, 2118105), (10890, 1927106), (11670, 1798302), (12385, 1694484), (12837, 1634820), (14004, 1498585), (14862, 1412070), (17116, 1226115), (17505, 1198868), (21395, 980892), (21780, 963553), (22293, 941380), (23340, 899151), (24770, 847242), (25674, 817410), (27247, 770220), (29724, 706035), (35010, 599434), (37155, 564828), (38511, 544940), (42790, 490446), (44586, 470690), (47069, 445860), (49540, 423621), (51348, 408705), (54494, 385110), (64185, 326964), (70020, 299717), (74310, 282414), (77022, 272470), (81741, 256740), (85580, 245223), (89172, 235345), (94138, 222930), (108988, 192555), (111465, 188276), (128370, 163482), (136235, 154044), (141207, 148620)]