20111244580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{307}}^1\times {\mathrm{1597}}^1$

素因数の和:2213

約数の個数: 96

約数和(自身を含む): 48619904256

約数和(自身を除く): 28508659676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 293, 307, 586, 614, 1172, 1228, 1465, 1535, 1597, 2051, 2149, 2930, 3070, 3194, 4102, 4298, 5860, 6140, 6388, 7985, 8204, 8596, 10255, 10745, 11179, 15970, 20510, 21490, 22358, 31940, 41020, 42980, 44716, 55895, 89951, 111790, 179902, 223580, 359804, 449755, 467921, 490279, 629657, 899510, 935842, 980558, 1259314, 1799020, 1871684, 1961116, 2339605, 2451395, 2518628, 3148285, 3275447, 3431953, 4679210, 4902790, 6296570, 6550894, 6863906, 9358420, 9805580, 12593140, 13101788, 13727812, 16377235, 17159765, 32754470, 34319530, 65508940, 68639060, 143651747, 287303494, 574606988, 718258735, 1005562229, 1436517470, 2011124458, 2873034940, 4022248916, 5027811145, 10055622290, 20111244580]

約数ペア:

[(1, 20111244580), (2, 10055622290), (4, 5027811145), (5, 4022248916), (7, 2873034940), (10, 2011124458), (14, 1436517470), (20, 1005562229), (28, 718258735), (35, 574606988), (70, 287303494), (140, 143651747), (293, 68639060), (307, 65508940), (586, 34319530), (614, 32754470), (1172, 17159765), (1228, 16377235), (1465, 13727812), (1535, 13101788), (1597, 12593140), (2051, 9805580), (2149, 9358420), (2930, 6863906), (3070, 6550894), (3194, 6296570), (4102, 4902790), (4298, 4679210), (5860, 3431953), (6140, 3275447), (6388, 3148285), (7985, 2518628), (8204, 2451395), (8596, 2339605), (10255, 1961116), (10745, 1871684), (11179, 1799020), (15970, 1259314), (20510, 980558), (21490, 935842), (22358, 899510), (31940, 629657), (41020, 490279), (42980, 467921), (44716, 449755), (55895, 359804), (89951, 223580), (111790, 179902)]