20846812

素因数分解:

$2^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{2897}}^1$

素因数の和:3165

約数の個数: 24

約数和(自身を含む): 41870304

約数和(自身を除く): 21023492

約数列:

[1, 2, 4, 7, 14, 28, 257, 514, 1028, 1799, 2897, 3598, 5794, 7196, 11588, 20279, 40558, 81116, 744529, 1489058, 2978116, 5211703, 10423406, 20846812]

約数ペア:

[(1, 20846812), (2, 10423406), (4, 5211703), (7, 2978116), (14, 1489058), (28, 744529), (257, 81116), (514, 40558), (1028, 20279), (1799, 11588), (2897, 7196), (3598, 5794)]