20951696

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{5479}}^1$

素因数の和:5726

約数の個数: 20

約数和(自身を含む): 40771200

約数和(自身を除く): 19819504

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 5479, 10958, 21916, 43832, 87664, 1309481, 2618962, 5237924, 10475848, 20951696]

約数ペア:

[(1, 20951696), (2, 10475848), (4, 5237924), (8, 2618962), (16, 1309481), (239, 87664), (478, 43832), (956, 21916), (1912, 10958), (3824, 5479)]