20200724

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{2029}}^1$

素因数の和:2183

約数の個数: 24

約数和(自身を含む): 37514400

約数和(自身を除く): 17313676

約数列:

[1, 2, 4, 19, 38, 76, 131, 262, 524, 2029, 2489, 4058, 4978, 8116, 9956, 38551, 77102, 154204, 265799, 531598, 1063196, 5050181, 10100362, 20200724]

約数ペア:

[(1, 20200724), (2, 10100362), (4, 5050181), (19, 1063196), (38, 531598), (76, 265799), (131, 154204), (262, 77102), (524, 38551), (2029, 9956), (2489, 8116), (4058, 4978)]