20321856072

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{43}}^2\times {\mathrm{2423}}^1$

素因数の和:2534

約数の個数: 240

約数和(自身を含む): 66626936640

約数和(自身を除く): 46305080568

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 43, 54, 56, 63, 72, 81, 84, 86, 108, 126, 129, 162, 168, 172, 189, 216, 252, 258, 301, 324, 344, 378, 387, 504, 516, 567, 602, 648, 756, 774, 903, 1032, 1134, 1161, 1204, 1512, 1548, 1806, 1849, 2268, 2322, 2408, 2423, 2709, 3096, 3483, 3612, 3698, 4536, 4644, 4846, 5418, 5547, 6966, 7224, 7269, 7396, 8127, 9288, 9692, 10836, 11094, 12943, 13932, 14538, 14792, 16254, 16641, 16961, 19384, 21672, 21807, 22188, 24381, 25886, 27864, 29076, 32508, 33282, 33922, 38829, 43614, 44376, 48762, 49923, 50883, 51772, 58152, 65016, 65421, 66564, 67844, 77658, 87228, 97524, 99846, 101766, 103544, 104189, 116487, 130842, 133128, 135688, 149769, 152649, 155316, 174456, 195048, 196263, 199692, 203532, 208378, 232974, 261684, 299538, 305298, 310632, 312567, 349461, 392526, 399384, 407064, 416756, 457947, 465948, 523368, 599076, 610596, 625134, 698922, 729323, 785052, 833512, 915894, 931896, 937701, 1048383, 1198152, 1221192, 1250268, 1373841, 1397844, 1458646, 1570104, 1831788, 1875402, 2096766, 2187969, 2500536, 2747682, 2795688, 2813103, 2917292, 3663576, 3750804, 4193532, 4375938, 4480127, 5495364, 5626206, 5834584, 6563907, 7501608, 8387064, 8439309, 8751876, 8960254, 10990728, 11252412, 13127814, 13440381, 16878618, 17503752, 17920508, 19691721, 22504824, 26255628, 26880762, 31360889, 33757236, 35841016, 39383442, 40321143, 52511256, 53761524, 59075163, 62721778, 67514472, 78766884, 80642286, 94082667, 107523048, 118150326, 120963429, 125443556, 157533768, 161284572, 188165334, 236300652, 241926858, 250887112, 282248001, 322569144, 362890287, 376330668, 472601304, 483853716, 564496002, 725780574, 752661336, 846744003, 967707432, 1128992004, 1451561148, 1693488006, 2257984008, 2540232009, 2903122296, 3386976012, 5080464018, 6773952024, 10160928036, 20321856072]

約数ペア:

[(1, 20321856072), (2, 10160928036), (3, 6773952024), (4, 5080464018), (6, 3386976012), (7, 2903122296), (8, 2540232009), (9, 2257984008), (12, 1693488006), (14, 1451561148), (18, 1128992004), (21, 967707432), (24, 846744003), (27, 752661336), (28, 725780574), (36, 564496002), (42, 483853716), (43, 472601304), (54, 376330668), (56, 362890287), (63, 322569144), (72, 282248001), (81, 250887112), (84, 241926858), (86, 236300652), (108, 188165334), (126, 161284572), (129, 157533768), (162, 125443556), (168, 120963429), (172, 118150326), (189, 107523048), (216, 94082667), (252, 80642286), (258, 78766884), (301, 67514472), (324, 62721778), (344, 59075163), (378, 53761524), (387, 52511256), (504, 40321143), (516, 39383442), (567, 35841016), (602, 33757236), (648, 31360889), (756, 26880762), (774, 26255628), (903, 22504824), (1032, 19691721), (1134, 17920508), (1161, 17503752), (1204, 16878618), (1512, 13440381), (1548, 13127814), (1806, 11252412), (1849, 10990728), (2268, 8960254), (2322, 8751876), (2408, 8439309), (2423, 8387064), (2709, 7501608), (3096, 6563907), (3483, 5834584), (3612, 5626206), (3698, 5495364), (4536, 4480127), (4644, 4375938), (4846, 4193532), (5418, 3750804), (5547, 3663576), (6966, 2917292), (7224, 2813103), (7269, 2795688), (7396, 2747682), (8127, 2500536), (9288, 2187969), (9692, 2096766), (10836, 1875402), (11094, 1831788), (12943, 1570104), (13932, 1458646), (14538, 1397844), (14792, 1373841), (16254, 1250268), (16641, 1221192), (16961, 1198152), (19384, 1048383), (21672, 937701), (21807, 931896), (22188, 915894), (24381, 833512), (25886, 785052), (27864, 729323), (29076, 698922), (32508, 625134), (33282, 610596), (33922, 599076), (38829, 523368), (43614, 465948), (44376, 457947), (48762, 416756), (49923, 407064), (50883, 399384), (51772, 392526), (58152, 349461), (65016, 312567), (65421, 310632), (66564, 305298), (67844, 299538), (77658, 261684), (87228, 232974), (97524, 208378), (99846, 203532), (101766, 199692), (103544, 196263), (104189, 195048), (116487, 174456), (130842, 155316), (133128, 152649), (135688, 149769)]