20308050

素因数分解:

$2^1\times 3^3\times 5^2\times 7^2\times {\mathrm{307}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 65308320

約数和(自身を除く): 45000270

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 49, 50, 54, 63, 70, 75, 90, 98, 105, 126, 135, 147, 150, 175, 189, 210, 225, 245, 270, 294, 307, 315, 350, 378, 441, 450, 490, 525, 614, 630, 675, 735, 882, 921, 945, 1050, 1225, 1323, 1350, 1470, 1535, 1575, 1842, 1890, 2149, 2205, 2450, 2646, 2763, 3070, 3150, 3675, 4298, 4410, 4605, 4725, 5526, 6447, 6615, 7350, 7675, 8289, 9210, 9450, 10745, 11025, 12894, 13230, 13815, 15043, 15350, 16578, 19341, 21490, 22050, 23025, 27630, 30086, 32235, 33075, 38682, 41445, 45129, 46050, 53725, 58023, 64470, 66150, 69075, 75215, 82890, 90258, 96705, 107450, 116046, 135387, 138150, 150430, 161175, 193410, 207225, 225645, 270774, 290115, 322350, 376075, 406161, 414450, 451290, 483525, 580230, 676935, 752150, 812322, 967050, 1128225, 1353870, 1450575, 2030805, 2256450, 2901150, 3384675, 4061610, 6769350, 10154025, 20308050]

約数ペア:

[(1, 20308050), (2, 10154025), (3, 6769350), (5, 4061610), (6, 3384675), (7, 2901150), (9, 2256450), (10, 2030805), (14, 1450575), (15, 1353870), (18, 1128225), (21, 967050), (25, 812322), (27, 752150), (30, 676935), (35, 580230), (42, 483525), (45, 451290), (49, 414450), (50, 406161), (54, 376075), (63, 322350), (70, 290115), (75, 270774), (90, 225645), (98, 207225), (105, 193410), (126, 161175), (135, 150430), (147, 138150), (150, 135387), (175, 116046), (189, 107450), (210, 96705), (225, 90258), (245, 82890), (270, 75215), (294, 69075), (307, 66150), (315, 64470), (350, 58023), (378, 53725), (441, 46050), (450, 45129), (490, 41445), (525, 38682), (614, 33075), (630, 32235), (675, 30086), (735, 27630), (882, 23025), (921, 22050), (945, 21490), (1050, 19341), (1225, 16578), (1323, 15350), (1350, 15043), (1470, 13815), (1535, 13230), (1575, 12894), (1842, 11025), (1890, 10745), (2149, 9450), (2205, 9210), (2450, 8289), (2646, 7675), (2763, 7350), (3070, 6615), (3150, 6447), (3675, 5526), (4298, 4725), (4410, 4605)]