20193492165

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:413

約数の個数: 192

約数和(自身を含む): 41879040000

約数和(自身を除く): 21685547835

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 105, 121, 147, 163, 165, 199, 231, 245, 343, 363, 385, 489, 539, 597, 605, 735, 815, 847, 995, 1029, 1141, 1155, 1393, 1617, 1715, 1793, 1815, 2189, 2445, 2541, 2695, 2985, 3423, 3773, 4179, 4235, 5145, 5379, 5705, 5929, 6567, 6965, 7987, 8085, 8965, 9751, 10945, 11319, 12551, 12705, 15323, 17115, 17787, 18865, 19723, 20895, 23961, 24079, 26895, 29253, 29645, 32437, 32835, 37653, 39935, 41503, 45969, 48755, 55909, 56595, 59169, 62755, 68257, 72237, 76615, 87857, 88935, 97311, 98615, 107261, 119805, 120395, 124509, 138061, 146265, 162185, 167727, 168553, 188265, 204771, 207515, 227059, 229845, 263571, 279545, 295845, 321783, 341285, 356807, 361185, 414183, 439285, 486555, 505659, 536305, 614999, 622545, 681177, 690305, 750827, 838635, 842765, 966427, 1023855, 1070421, 1135295, 1179871, 1317855, 1589413, 1608915, 1784035, 1844997, 2070915, 2252481, 2497649, 2528295, 2899281, 3074995, 3405885, 3539613, 3754135, 3924877, 4768239, 4832135, 5352105, 5899355, 6764989, 7492947, 7947065, 8259097, 9224985, 11125891, 11262405, 11774631, 12488245, 14496405, 17483543, 17698065, 19624385, 20294967, 23841195, 24777291, 27474139, 33377673, 33824945, 37464735, 41295485, 52450629, 55629455, 58873155, 82422417, 87417715, 101474835, 122384801, 123886455, 137370695, 166888365, 192318973, 262253145, 367154403, 412112085, 576956919, 611924005, 961594865, 1346232811, 1835772015, 2884784595, 4038698433, 6731164055, 20193492165]

約数ペア:

[(1, 20193492165), (3, 6731164055), (5, 4038698433), (7, 2884784595), (11, 1835772015), (15, 1346232811), (21, 961594865), (33, 611924005), (35, 576956919), (49, 412112085), (55, 367154403), (77, 262253145), (105, 192318973), (121, 166888365), (147, 137370695), (163, 123886455), (165, 122384801), (199, 101474835), (231, 87417715), (245, 82422417), (343, 58873155), (363, 55629455), (385, 52450629), (489, 41295485), (539, 37464735), (597, 33824945), (605, 33377673), (735, 27474139), (815, 24777291), (847, 23841195), (995, 20294967), (1029, 19624385), (1141, 17698065), (1155, 17483543), (1393, 14496405), (1617, 12488245), (1715, 11774631), (1793, 11262405), (1815, 11125891), (2189, 9224985), (2445, 8259097), (2541, 7947065), (2695, 7492947), (2985, 6764989), (3423, 5899355), (3773, 5352105), (4179, 4832135), (4235, 4768239), (5145, 3924877), (5379, 3754135), (5705, 3539613), (5929, 3405885), (6567, 3074995), (6965, 2899281), (7987, 2528295), (8085, 2497649), (8965, 2252481), (9751, 2070915), (10945, 1844997), (11319, 1784035), (12551, 1608915), (12705, 1589413), (15323, 1317855), (17115, 1179871), (17787, 1135295), (18865, 1070421), (19723, 1023855), (20895, 966427), (23961, 842765), (24079, 838635), (26895, 750827), (29253, 690305), (29645, 681177), (32437, 622545), (32835, 614999), (37653, 536305), (39935, 505659), (41503, 486555), (45969, 439285), (48755, 414183), (55909, 361185), (56595, 356807), (59169, 341285), (62755, 321783), (68257, 295845), (72237, 279545), (76615, 263571), (87857, 229845), (88935, 227059), (97311, 207515), (98615, 204771), (107261, 188265), (119805, 168553), (120395, 167727), (124509, 162185), (138061, 146265)]