20320864

素因数分解:

$2^5\times {\mathrm{73}}^1\times {\mathrm{8699}}^1$

素因数の和:8782

約数の個数: 24

約数和(自身を含む): 40559400

約数和(自身を除く): 20238536

約数列:

[1, 2, 4, 8, 16, 32, 73, 146, 292, 584, 1168, 2336, 8699, 17398, 34796, 69592, 139184, 278368, 635027, 1270054, 2540108, 5080216, 10160432, 20320864]

約数ペア:

[(1, 20320864), (2, 10160432), (4, 5080216), (8, 2540108), (16, 1270054), (32, 635027), (73, 278368), (146, 139184), (292, 69592), (584, 34796), (1168, 17398), (2336, 8699)]