20602764

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:380

約数の個数: 144

約数和(自身を含む): 67674880

約数和(自身を除く): 47072116

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 28, 36, 38, 39, 42, 52, 57, 63, 76, 78, 84, 91, 114, 117, 126, 133, 156, 171, 182, 228, 234, 247, 252, 266, 273, 331, 342, 364, 399, 468, 494, 532, 546, 662, 684, 741, 798, 819, 988, 993, 1092, 1197, 1324, 1482, 1596, 1638, 1729, 1986, 2223, 2317, 2394, 2964, 2979, 3276, 3458, 3972, 4303, 4446, 4634, 4788, 5187, 5958, 6289, 6916, 6951, 8606, 8892, 9268, 10374, 11916, 12578, 12909, 13902, 15561, 17212, 18867, 20748, 20853, 25156, 25818, 27804, 30121, 31122, 37734, 38727, 41706, 44023, 51636, 56601, 60242, 62244, 75468, 77454, 81757, 83412, 88046, 90363, 113202, 120484, 132069, 154908, 163514, 176092, 180726, 226404, 245271, 264138, 271089, 327028, 361452, 396207, 490542, 528276, 542178, 572299, 735813, 792414, 981084, 1084356, 1144598, 1471626, 1584828, 1716897, 2289196, 2943252, 3433794, 5150691, 6867588, 10301382, 20602764]

約数ペア:

[(1, 20602764), (2, 10301382), (3, 6867588), (4, 5150691), (6, 3433794), (7, 2943252), (9, 2289196), (12, 1716897), (13, 1584828), (14, 1471626), (18, 1144598), (19, 1084356), (21, 981084), (26, 792414), (28, 735813), (36, 572299), (38, 542178), (39, 528276), (42, 490542), (52, 396207), (57, 361452), (63, 327028), (76, 271089), (78, 264138), (84, 245271), (91, 226404), (114, 180726), (117, 176092), (126, 163514), (133, 154908), (156, 132069), (171, 120484), (182, 113202), (228, 90363), (234, 88046), (247, 83412), (252, 81757), (266, 77454), (273, 75468), (331, 62244), (342, 60242), (364, 56601), (399, 51636), (468, 44023), (494, 41706), (532, 38727), (546, 37734), (662, 31122), (684, 30121), (741, 27804), (798, 25818), (819, 25156), (988, 20853), (993, 20748), (1092, 18867), (1197, 17212), (1324, 15561), (1482, 13902), (1596, 12909), (1638, 12578), (1729, 11916), (1986, 10374), (2223, 9268), (2317, 8892), (2394, 8606), (2964, 6951), (2979, 6916), (3276, 6289), (3458, 5958), (3972, 5187), (4303, 4788), (4446, 4634)]