20168616

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{509}}^1$

素因数の和:658

約数の個数: 64

約数和(自身を含む): 54835200

約数和(自身を除く): 34666584

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 127, 156, 254, 312, 381, 508, 509, 762, 1016, 1018, 1524, 1527, 1651, 2036, 3048, 3054, 3302, 4072, 4953, 6108, 6604, 6617, 9906, 12216, 13208, 13234, 19812, 19851, 26468, 39624, 39702, 52936, 64643, 79404, 129286, 158808, 193929, 258572, 387858, 517144, 775716, 840359, 1551432, 1680718, 2521077, 3361436, 5042154, 6722872, 10084308, 20168616]

約数ペア:

[(1, 20168616), (2, 10084308), (3, 6722872), (4, 5042154), (6, 3361436), (8, 2521077), (12, 1680718), (13, 1551432), (24, 840359), (26, 775716), (39, 517144), (52, 387858), (78, 258572), (104, 193929), (127, 158808), (156, 129286), (254, 79404), (312, 64643), (381, 52936), (508, 39702), (509, 39624), (762, 26468), (1016, 19851), (1018, 19812), (1524, 13234), (1527, 13208), (1651, 12216), (2036, 9906), (3048, 6617), (3054, 6604), (3302, 6108), (4072, 4953)]