20490232

素因数分解:

$2^3\times 7^2\times {\mathrm{167}}^1\times {\mathrm{313}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 45102960

約数和(自身を除く): 24612728

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 167, 196, 313, 334, 392, 626, 668, 1169, 1252, 1336, 2191, 2338, 2504, 4382, 4676, 8183, 8764, 9352, 15337, 16366, 17528, 30674, 32732, 52271, 61348, 65464, 104542, 122696, 209084, 365897, 418168, 731794, 1463588, 2561279, 2927176, 5122558, 10245116, 20490232]

約数ペア:

[(1, 20490232), (2, 10245116), (4, 5122558), (7, 2927176), (8, 2561279), (14, 1463588), (28, 731794), (49, 418168), (56, 365897), (98, 209084), (167, 122696), (196, 104542), (313, 65464), (334, 61348), (392, 52271), (626, 32732), (668, 30674), (1169, 17528), (1252, 16366), (1336, 15337), (2191, 9352), (2338, 8764), (2504, 8183), (4382, 4676)]