20565710964

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{1433}}^1$

素因数の和:1686

約数の個数: 144

約数和(自身を含む): 54385723392

約数和(自身を除く): 33820012428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 73, 86, 127, 129, 146, 172, 219, 254, 258, 292, 381, 387, 438, 508, 516, 657, 762, 774, 876, 1143, 1314, 1433, 1524, 1548, 2286, 2628, 2866, 3139, 4299, 4572, 5461, 5732, 6278, 8598, 9271, 9417, 10922, 12556, 12897, 16383, 17196, 18542, 18834, 21844, 25794, 27813, 28251, 32766, 37084, 37668, 49149, 51588, 55626, 56502, 61619, 65532, 83439, 98298, 104609, 111252, 113004, 123238, 166878, 181991, 184857, 196596, 209218, 246476, 313827, 333756, 363982, 369714, 398653, 418436, 545973, 554571, 627654, 727964, 739428, 797306, 941481, 1091946, 1109142, 1195959, 1255308, 1594612, 1637919, 1882962, 2183892, 2218284, 2391918, 3275838, 3587877, 3765924, 4498187, 4783836, 6551676, 7175754, 7825613, 8996374, 13285343, 13494561, 14351508, 15651226, 17992748, 23476839, 26570686, 26989122, 31302452, 39856029, 40483683, 46953678, 53141372, 53978244, 70430517, 79712058, 80967366, 93907356, 119568087, 140861034, 159424116, 161934732, 239136174, 281722068, 478272348, 571269749, 1142539498, 1713809247, 2285078996, 3427618494, 5141427741, 6855236988, 10282855482, 20565710964]

約数ペア:

[(1, 20565710964), (2, 10282855482), (3, 6855236988), (4, 5141427741), (6, 3427618494), (9, 2285078996), (12, 1713809247), (18, 1142539498), (36, 571269749), (43, 478272348), (73, 281722068), (86, 239136174), (127, 161934732), (129, 159424116), (146, 140861034), (172, 119568087), (219, 93907356), (254, 80967366), (258, 79712058), (292, 70430517), (381, 53978244), (387, 53141372), (438, 46953678), (508, 40483683), (516, 39856029), (657, 31302452), (762, 26989122), (774, 26570686), (876, 23476839), (1143, 17992748), (1314, 15651226), (1433, 14351508), (1524, 13494561), (1548, 13285343), (2286, 8996374), (2628, 7825613), (2866, 7175754), (3139, 6551676), (4299, 4783836), (4572, 4498187), (5461, 3765924), (5732, 3587877), (6278, 3275838), (8598, 2391918), (9271, 2218284), (9417, 2183892), (10922, 1882962), (12556, 1637919), (12897, 1594612), (16383, 1255308), (17196, 1195959), (18542, 1109142), (18834, 1091946), (21844, 941481), (25794, 797306), (27813, 739428), (28251, 727964), (32766, 627654), (37084, 554571), (37668, 545973), (49149, 418436), (51588, 398653), (55626, 369714), (56502, 363982), (61619, 333756), (65532, 313827), (83439, 246476), (98298, 209218), (104609, 196596), (111252, 184857), (113004, 181991), (123238, 166878)]