20853336

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 64512000

約数和(自身を除く): 43658664

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 47, 56, 57, 76, 84, 94, 114, 133, 139, 141, 152, 168, 188, 228, 266, 278, 282, 329, 376, 399, 417, 456, 532, 556, 564, 658, 798, 834, 893, 973, 987, 1064, 1112, 1128, 1316, 1596, 1668, 1786, 1946, 1974, 2632, 2641, 2679, 2919, 3192, 3336, 3572, 3892, 3948, 5282, 5358, 5838, 6251, 6533, 7144, 7784, 7896, 7923, 10564, 10716, 11676, 12502, 13066, 15846, 18487, 18753, 19599, 21128, 21432, 23352, 25004, 26132, 31692, 36974, 37506, 39198, 45731, 50008, 52264, 55461, 63384, 73948, 75012, 78396, 91462, 110922, 124127, 137193, 147896, 150024, 156792, 182924, 221844, 248254, 274386, 365848, 372381, 443688, 496508, 548772, 744762, 868889, 993016, 1097544, 1489524, 1737778, 2606667, 2979048, 3475556, 5213334, 6951112, 10426668, 20853336]

約数ペア:

[(1, 20853336), (2, 10426668), (3, 6951112), (4, 5213334), (6, 3475556), (7, 2979048), (8, 2606667), (12, 1737778), (14, 1489524), (19, 1097544), (21, 993016), (24, 868889), (28, 744762), (38, 548772), (42, 496508), (47, 443688), (56, 372381), (57, 365848), (76, 274386), (84, 248254), (94, 221844), (114, 182924), (133, 156792), (139, 150024), (141, 147896), (152, 137193), (168, 124127), (188, 110922), (228, 91462), (266, 78396), (278, 75012), (282, 73948), (329, 63384), (376, 55461), (399, 52264), (417, 50008), (456, 45731), (532, 39198), (556, 37506), (564, 36974), (658, 31692), (798, 26132), (834, 25004), (893, 23352), (973, 21432), (987, 21128), (1064, 19599), (1112, 18753), (1128, 18487), (1316, 15846), (1596, 13066), (1668, 12502), (1786, 11676), (1946, 10716), (1974, 10564), (2632, 7923), (2641, 7896), (2679, 7784), (2919, 7144), (3192, 6533), (3336, 6251), (3572, 5838), (3892, 5358), (3948, 5282)]