20708904

素因数分解:

$2^3\times 3^1\times {\mathrm{821}}^1\times {\mathrm{1051}}^1$

素因数の和:1881

約数の個数: 32

約数和(自身を含む): 51884640

約数和(自身を除く): 31175736

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 821, 1051, 1642, 2102, 2463, 3153, 3284, 4204, 4926, 6306, 6568, 8408, 9852, 12612, 19704, 25224, 862871, 1725742, 2588613, 3451484, 5177226, 6902968, 10354452, 20708904]

約数ペア:

[(1, 20708904), (2, 10354452), (3, 6902968), (4, 5177226), (6, 3451484), (8, 2588613), (12, 1725742), (24, 862871), (821, 25224), (1051, 19704), (1642, 12612), (2102, 9852), (2463, 8408), (3153, 6568), (3284, 6306), (4204, 4926)]