20802764

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 41223168

約数和(自身を除く): 20420404

約数列:

[1, 2, 4, 17, 23, 34, 46, 47, 68, 92, 94, 188, 283, 391, 566, 782, 799, 1081, 1132, 1564, 1598, 2162, 3196, 4324, 4811, 6509, 9622, 13018, 13301, 18377, 19244, 26036, 26602, 36754, 53204, 73508, 110653, 221306, 226117, 305923, 442612, 452234, 611846, 904468, 1223692, 5200691, 10401382, 20802764]

約数ペア:

[(1, 20802764), (2, 10401382), (4, 5200691), (17, 1223692), (23, 904468), (34, 611846), (46, 452234), (47, 442612), (68, 305923), (92, 226117), (94, 221306), (188, 110653), (283, 73508), (391, 53204), (566, 36754), (782, 26602), (799, 26036), (1081, 19244), (1132, 18377), (1564, 13301), (1598, 13018), (2162, 9622), (3196, 6509), (4324, 4811)]