20903672

素因数分解:

$2^3\times {\mathrm{31}}^2\times {\mathrm{2719}}^1$

素因数の和:2787

約数の個数: 24

約数和(自身を含む): 40514400

約数和(自身を除く): 19610728

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 961, 1922, 2719, 3844, 5438, 7688, 10876, 21752, 84289, 168578, 337156, 674312, 2612959, 5225918, 10451836, 20903672]

約数ペア:

[(1, 20903672), (2, 10451836), (4, 5225918), (8, 2612959), (31, 674312), (62, 337156), (124, 168578), (248, 84289), (961, 21752), (1922, 10876), (2719, 7688), (3844, 5438)]