20001072

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1$

素因数の和:291

約数の個数: 160

約数和(自身を含む): 67217920

約数和(自身を除く): 47216848

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 19, 21, 24, 26, 28, 38, 39, 42, 48, 52, 56, 57, 76, 78, 84, 91, 104, 112, 114, 133, 152, 156, 168, 182, 208, 228, 241, 247, 266, 273, 304, 312, 336, 364, 399, 456, 482, 494, 532, 546, 624, 723, 728, 741, 798, 912, 964, 988, 1064, 1092, 1446, 1456, 1482, 1596, 1687, 1729, 1928, 1976, 2128, 2184, 2892, 2964, 3133, 3192, 3374, 3458, 3856, 3952, 4368, 4579, 5061, 5187, 5784, 5928, 6266, 6384, 6748, 6916, 9158, 9399, 10122, 10374, 11568, 11856, 12532, 13496, 13737, 13832, 18316, 18798, 20244, 20748, 21931, 25064, 26992, 27474, 27664, 32053, 36632, 37596, 40488, 41496, 43862, 50128, 54948, 59527, 64106, 65793, 73264, 75192, 80976, 82992, 87724, 96159, 109896, 119054, 128212, 131586, 150384, 175448, 178581, 192318, 219792, 238108, 256424, 263172, 350896, 357162, 384636, 416689, 476216, 512848, 526344, 714324, 769272, 833378, 952432, 1052688, 1250067, 1428648, 1538544, 1666756, 2500134, 2857296, 3333512, 5000268, 6667024, 10000536, 20001072]

約数ペア:

[(1, 20001072), (2, 10000536), (3, 6667024), (4, 5000268), (6, 3333512), (7, 2857296), (8, 2500134), (12, 1666756), (13, 1538544), (14, 1428648), (16, 1250067), (19, 1052688), (21, 952432), (24, 833378), (26, 769272), (28, 714324), (38, 526344), (39, 512848), (42, 476216), (48, 416689), (52, 384636), (56, 357162), (57, 350896), (76, 263172), (78, 256424), (84, 238108), (91, 219792), (104, 192318), (112, 178581), (114, 175448), (133, 150384), (152, 131586), (156, 128212), (168, 119054), (182, 109896), (208, 96159), (228, 87724), (241, 82992), (247, 80976), (266, 75192), (273, 73264), (304, 65793), (312, 64106), (336, 59527), (364, 54948), (399, 50128), (456, 43862), (482, 41496), (494, 40488), (532, 37596), (546, 36632), (624, 32053), (723, 27664), (728, 27474), (741, 26992), (798, 25064), (912, 21931), (964, 20748), (988, 20244), (1064, 18798), (1092, 18316), (1446, 13832), (1456, 13737), (1482, 13496), (1596, 12532), (1687, 11856), (1729, 11568), (1928, 10374), (1976, 10122), (2128, 9399), (2184, 9158), (2892, 6916), (2964, 6748), (3133, 6384), (3192, 6266), (3374, 5928), (3458, 5784), (3856, 5187), (3952, 5061), (4368, 4579)]