20398536

素因数分解:

$2^3\times 3^2\times {\mathrm{73}}^1\times {\mathrm{3881}}^1$

素因数の和:3966

約数の個数: 48

約数和(自身を含む): 56017260

約数和(自身を除く): 35618724

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 73, 146, 219, 292, 438, 584, 657, 876, 1314, 1752, 2628, 3881, 5256, 7762, 11643, 15524, 23286, 31048, 34929, 46572, 69858, 93144, 139716, 279432, 283313, 566626, 849939, 1133252, 1699878, 2266504, 2549817, 3399756, 5099634, 6799512, 10199268, 20398536]

約数ペア:

[(1, 20398536), (2, 10199268), (3, 6799512), (4, 5099634), (6, 3399756), (8, 2549817), (9, 2266504), (12, 1699878), (18, 1133252), (24, 849939), (36, 566626), (72, 283313), (73, 279432), (146, 139716), (219, 93144), (292, 69858), (438, 46572), (584, 34929), (657, 31048), (876, 23286), (1314, 15524), (1752, 11643), (2628, 7762), (3881, 5256)]