20147377509

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{227}}^1$

素因数の和:516

約数の個数: 128

約数和(自身を含む): 35800596480

約数和(自身を除く): 15653218971

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 67, 129, 163, 189, 201, 227, 301, 387, 469, 489, 603, 681, 903, 1141, 1161, 1407, 1467, 1589, 1809, 2043, 2709, 2881, 3423, 4221, 4401, 4767, 6129, 7009, 8127, 8643, 9761, 10269, 10921, 12663, 14301, 15209, 20167, 21027, 25929, 29283, 30807, 32763, 37001, 42903, 45627, 49063, 60501, 63081, 68327, 76447, 77787, 87849, 98289, 106463, 111003, 136881, 147189, 181503, 189243, 204981, 229341, 259007, 263547, 294867, 319389, 333009, 410643, 441567, 469603, 544509, 614943, 653987, 688023, 777021, 958167, 999027, 1324701, 1408809, 1591043, 1844829, 1961961, 2064069, 2331063, 2479067, 2874501, 3287221, 4226427, 4577909, 4773129, 5885883, 6993189, 7437201, 9861663, 11137301, 12679281, 13733727, 14319387, 17353469, 17657649, 22311603, 29584989, 33411903, 41201181, 42958161, 52060407, 66934809, 88754967, 100235709, 106599881, 123603543, 156181221, 300707127, 319799643, 468543663, 746199167, 959398929, 2238597501, 2878196787, 6715792503, 20147377509]

約数ペア:

[(1, 20147377509), (3, 6715792503), (7, 2878196787), (9, 2238597501), (21, 959398929), (27, 746199167), (43, 468543663), (63, 319799643), (67, 300707127), (129, 156181221), (163, 123603543), (189, 106599881), (201, 100235709), (227, 88754967), (301, 66934809), (387, 52060407), (469, 42958161), (489, 41201181), (603, 33411903), (681, 29584989), (903, 22311603), (1141, 17657649), (1161, 17353469), (1407, 14319387), (1467, 13733727), (1589, 12679281), (1809, 11137301), (2043, 9861663), (2709, 7437201), (2881, 6993189), (3423, 5885883), (4221, 4773129), (4401, 4577909), (4767, 4226427), (6129, 3287221), (7009, 2874501), (8127, 2479067), (8643, 2331063), (9761, 2064069), (10269, 1961961), (10921, 1844829), (12663, 1591043), (14301, 1408809), (15209, 1324701), (20167, 999027), (21027, 958167), (25929, 777021), (29283, 688023), (30807, 653987), (32763, 614943), (37001, 544509), (42903, 469603), (45627, 441567), (49063, 410643), (60501, 333009), (63081, 319389), (68327, 294867), (76447, 263547), (77787, 259007), (87849, 229341), (98289, 204981), (106463, 189243), (111003, 181503), (136881, 147189)]