20211287580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1747}}^1\times {\mathrm{5843}}^1$

素因数の和:7616

約数の個数: 144

約数和(自身を含む): 66930724224

約数和(自身を除く): 46719436644

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, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1747, 1980, 3494, 5241, 5843, 6988, 8735, 10482, 11686, 15723, 17470, 17529, 19217, 20964, 23372, 26205, 29215, 31446, 34940, 35058, 38434, 52410, 52587, 57651, 58430, 62892, 64273, 70116, 76868, 78615, 87645, 96085, 104820, 105174, 115302, 116860, 128546, 157230, 172953, 175290, 192170, 192819, 210348, 230604, 257092, 262935, 288255, 314460, 321365, 345906, 350580, 384340, 385638, 525870, 576510, 578457, 642730, 691812, 771276, 864765, 964095, 1051740, 1153020, 1156914, 1285460, 1729530, 1928190, 2313828, 2892285, 3459060, 3856380, 5784570, 10207721, 11569140, 20415442, 30623163, 40830884, 51038605, 61246326, 91869489, 102077210, 112284931, 122492652, 153115815, 183738978, 204154420, 224569862, 306231630, 336854793, 367477956, 449139724, 459347445, 561424655, 612463260, 673709586, 918694890, 1010564379, 1122849310, 1347419172, 1684273965, 1837389780, 2021128758, 2245698620, 3368547930, 4042257516, 5052821895, 6737095860, 10105643790, 20211287580]

約数ペア:

[(1, 20211287580), (2, 10105643790), (3, 6737095860), (4, 5052821895), (5, 4042257516), (6, 3368547930), (9, 2245698620), (10, 2021128758), (11, 1837389780), (12, 1684273965), (15, 1347419172), (18, 1122849310), (20, 1010564379), (22, 918694890), (30, 673709586), (33, 612463260), (36, 561424655), (44, 459347445), (45, 449139724), (55, 367477956), (60, 336854793), (66, 306231630), (90, 224569862), (99, 204154420), (110, 183738978), (132, 153115815), (165, 122492652), (180, 112284931), (198, 102077210), (220, 91869489), (330, 61246326), (396, 51038605), (495, 40830884), (660, 30623163), (990, 20415442), (1747, 11569140), (1980, 10207721), (3494, 5784570), (5241, 3856380), (5843, 3459060), (6988, 2892285), (8735, 2313828), (10482, 1928190), (11686, 1729530), (15723, 1285460), (17470, 1156914), (17529, 1153020), (19217, 1051740), (20964, 964095), (23372, 864765), (26205, 771276), (29215, 691812), (31446, 642730), (34940, 578457), (35058, 576510), (38434, 525870), (52410, 385638), (52587, 384340), (57651, 350580), (58430, 345906), (62892, 321365), (64273, 314460), (70116, 288255), (76868, 262935), (78615, 257092), (87645, 230604), (96085, 210348), (104820, 192819), (105174, 192170), (115302, 175290), (116860, 172953), (128546, 157230)]