20119781385

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{2711}}^1$

素因数の和:2820

約数の個数: 144

約数和(自身を含む): 40513374720

約数和(自身を除く): 20393593335

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 47, 55, 87, 99, 121, 141, 145, 165, 235, 261, 319, 363, 423, 435, 495, 517, 605, 705, 957, 1089, 1305, 1363, 1551, 1595, 1815, 2115, 2585, 2711, 2871, 3509, 4089, 4653, 4785, 5445, 5687, 6815, 7755, 8133, 10527, 12267, 13555, 14355, 14993, 17061, 17545, 20445, 23265, 24399, 28435, 29821, 31581, 40665, 44979, 51183, 52635, 61335, 74965, 78619, 85305, 89463, 121995, 127417, 134937, 149105, 157905, 164923, 224895, 235857, 255915, 268389, 328031, 382251, 393095, 447315, 494769, 637085, 674685, 707571, 824615, 864809, 984093, 1146753, 1179285, 1341945, 1401587, 1484307, 1640155, 1911255, 2473845, 2594427, 2952279, 3537855, 3695093, 4204761, 4324045, 4920465, 5733765, 7007935, 7421535, 7783281, 9512899, 11085279, 12614283, 12972135, 14761395, 15417457, 18475465, 21023805, 28538697, 33255837, 38916405, 40646023, 46252371, 47564495, 55426395, 63071415, 77087285, 85616091, 121938069, 138757113, 142693485, 166279185, 203230115, 231261855, 365814207, 428080455, 447106253, 609690345, 693785565, 1341318759, 1829071035, 2235531265, 4023956277, 6706593795, 20119781385]

約数ペア:

[(1, 20119781385), (3, 6706593795), (5, 4023956277), (9, 2235531265), (11, 1829071035), (15, 1341318759), (29, 693785565), (33, 609690345), (45, 447106253), (47, 428080455), (55, 365814207), (87, 231261855), (99, 203230115), (121, 166279185), (141, 142693485), (145, 138757113), (165, 121938069), (235, 85616091), (261, 77087285), (319, 63071415), (363, 55426395), (423, 47564495), (435, 46252371), (495, 40646023), (517, 38916405), (605, 33255837), (705, 28538697), (957, 21023805), (1089, 18475465), (1305, 15417457), (1363, 14761395), (1551, 12972135), (1595, 12614283), (1815, 11085279), (2115, 9512899), (2585, 7783281), (2711, 7421535), (2871, 7007935), (3509, 5733765), (4089, 4920465), (4653, 4324045), (4785, 4204761), (5445, 3695093), (5687, 3537855), (6815, 2952279), (7755, 2594427), (8133, 2473845), (10527, 1911255), (12267, 1640155), (13555, 1484307), (14355, 1401587), (14993, 1341945), (17061, 1179285), (17545, 1146753), (20445, 984093), (23265, 864809), (24399, 824615), (28435, 707571), (29821, 674685), (31581, 637085), (40665, 494769), (44979, 447315), (51183, 393095), (52635, 382251), (61335, 328031), (74965, 268389), (78619, 255915), (85305, 235857), (89463, 224895), (121995, 164923), (127417, 157905), (134937, 149105)]