20171665458

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{1721}}^1$

素因数の和:1977

約数の個数: 144

約数和(自身を含む): 51769953144

約数和(自身を除く): 31598287686

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 97, 98, 126, 137, 147, 194, 274, 291, 294, 411, 441, 582, 679, 822, 873, 882, 959, 1233, 1358, 1721, 1746, 1918, 2037, 2466, 2877, 3442, 4074, 4753, 5163, 5754, 6111, 6713, 8631, 9506, 10326, 12047, 12222, 13289, 13426, 14259, 15489, 17262, 20139, 24094, 26578, 28518, 30978, 36141, 39867, 40278, 42777, 60417, 72282, 79734, 84329, 85554, 93023, 108423, 119601, 120834, 166937, 168658, 186046, 216846, 235777, 239202, 252987, 279069, 333874, 471554, 500811, 505974, 558138, 651161, 707331, 758961, 837207, 1001622, 1168559, 1302322, 1414662, 1502433, 1517922, 1650439, 1674414, 1953483, 2121993, 2337118, 3004866, 3300878, 3505677, 3906966, 4243986, 4951317, 5860449, 7011354, 8179913, 9902634, 10517031, 11553073, 11720898, 14853951, 16359826, 21034062, 22870369, 23106146, 24539739, 29707902, 34659219, 45740738, 49079478, 68611107, 69318438, 73619217, 103977657, 137222214, 147238434, 160092583, 205833321, 207955314, 320185166, 411666642, 480277749, 960555498, 1120648081, 1440833247, 2241296162, 2881666494, 3361944243, 6723888486, 10085832729, 20171665458]

約数ペア:

[(1, 20171665458), (2, 10085832729), (3, 6723888486), (6, 3361944243), (7, 2881666494), (9, 2241296162), (14, 1440833247), (18, 1120648081), (21, 960555498), (42, 480277749), (49, 411666642), (63, 320185166), (97, 207955314), (98, 205833321), (126, 160092583), (137, 147238434), (147, 137222214), (194, 103977657), (274, 73619217), (291, 69318438), (294, 68611107), (411, 49079478), (441, 45740738), (582, 34659219), (679, 29707902), (822, 24539739), (873, 23106146), (882, 22870369), (959, 21034062), (1233, 16359826), (1358, 14853951), (1721, 11720898), (1746, 11553073), (1918, 10517031), (2037, 9902634), (2466, 8179913), (2877, 7011354), (3442, 5860449), (4074, 4951317), (4753, 4243986), (5163, 3906966), (5754, 3505677), (6111, 3300878), (6713, 3004866), (8631, 2337118), (9506, 2121993), (10326, 1953483), (12047, 1674414), (12222, 1650439), (13289, 1517922), (13426, 1502433), (14259, 1414662), (15489, 1302322), (17262, 1168559), (20139, 1001622), (24094, 837207), (26578, 758961), (28518, 707331), (30978, 651161), (36141, 558138), (39867, 505974), (40278, 500811), (42777, 471554), (60417, 333874), (72282, 279069), (79734, 252987), (84329, 239202), (85554, 235777), (93023, 216846), (108423, 186046), (119601, 168658), (120834, 166937)]