20213069877

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{449}}^1$

素因数の和:768

約数の個数: 192

約数和(自身を含む): 41513472000

約数和(自身を除く): 21300402123

約数列:

[1, 3, 7, 9, 11, 13, 19, 21, 33, 39, 57, 63, 77, 91, 99, 117, 133, 143, 171, 209, 231, 247, 263, 273, 399, 429, 449, 627, 693, 741, 789, 819, 1001, 1197, 1287, 1347, 1463, 1729, 1841, 1881, 2223, 2367, 2717, 2893, 3003, 3143, 3419, 4041, 4389, 4939, 4997, 5187, 5523, 5837, 8151, 8531, 8679, 9009, 9429, 10257, 13167, 14817, 14991, 15561, 16569, 17511, 19019, 20251, 23933, 24453, 25593, 26037, 28287, 30771, 34573, 34979, 37609, 40859, 44451, 44973, 52533, 54967, 57057, 59717, 60753, 64207, 64961, 71799, 76779, 93841, 103719, 104937, 110903, 112827, 118087, 122577, 164901, 171171, 179151, 182259, 192621, 194883, 215397, 263263, 281523, 311157, 314811, 332709, 338481, 354261, 367731, 384769, 449449, 454727, 494703, 537453, 577863, 584649, 656887, 714571, 776321, 789789, 826609, 844569, 998127, 1062783, 1154307, 1219933, 1298957, 1348347, 1364181, 1535131, 1970661, 2143713, 2243653, 2328963, 2369367, 2479827, 3462921, 3659799, 3896871, 4045041, 4092543, 4605393, 5001997, 5911983, 6431139, 6730959, 6986889, 7439481, 8539531, 9092699, 10745917, 10979397, 11690613, 13816179, 15005991, 15705571, 16886441, 20192877, 24680183, 25618593, 27278097, 29167489, 32237751, 45017973, 47116713, 50659323, 74040549, 76855779, 81834291, 87502467, 96713253, 118205087, 141350139, 151977969, 172761281, 204172423, 222121647, 262507401, 320842379, 354615261, 518283843, 612517269, 962527137, 1063845783, 1554851529, 1837551807, 2245896653, 2887581411, 6737689959, 20213069877]

約数ペア:

[(1, 20213069877), (3, 6737689959), (7, 2887581411), (9, 2245896653), (11, 1837551807), (13, 1554851529), (19, 1063845783), (21, 962527137), (33, 612517269), (39, 518283843), (57, 354615261), (63, 320842379), (77, 262507401), (91, 222121647), (99, 204172423), (117, 172761281), (133, 151977969), (143, 141350139), (171, 118205087), (209, 96713253), (231, 87502467), (247, 81834291), (263, 76855779), (273, 74040549), (399, 50659323), (429, 47116713), (449, 45017973), (627, 32237751), (693, 29167489), (741, 27278097), (789, 25618593), (819, 24680183), (1001, 20192877), (1197, 16886441), (1287, 15705571), (1347, 15005991), (1463, 13816179), (1729, 11690613), (1841, 10979397), (1881, 10745917), (2223, 9092699), (2367, 8539531), (2717, 7439481), (2893, 6986889), (3003, 6730959), (3143, 6431139), (3419, 5911983), (4041, 5001997), (4389, 4605393), (4939, 4092543), (4997, 4045041), (5187, 3896871), (5523, 3659799), (5837, 3462921), (8151, 2479827), (8531, 2369367), (8679, 2328963), (9009, 2243653), (9429, 2143713), (10257, 1970661), (13167, 1535131), (14817, 1364181), (14991, 1348347), (15561, 1298957), (16569, 1219933), (17511, 1154307), (19019, 1062783), (20251, 998127), (23933, 844569), (24453, 826609), (25593, 789789), (26037, 776321), (28287, 714571), (30771, 656887), (34573, 584649), (34979, 577863), (37609, 537453), (40859, 494703), (44451, 454727), (44973, 449449), (52533, 384769), (54967, 367731), (57057, 354261), (59717, 338481), (60753, 332709), (64207, 314811), (64961, 311157), (71799, 281523), (76779, 263263), (93841, 215397), (103719, 194883), (104937, 192621), (110903, 182259), (112827, 179151), (118087, 171171), (122577, 164901)]