20749672

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{136511}}^1$

素因数の和:136536

約数の個数: 16

約数和(自身を含む): 40953600

約数和(自身を除く): 20203928

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 136511, 273022, 546044, 1092088, 2593709, 5187418, 10374836, 20749672]

約数ペア:

[(1, 20749672), (2, 10374836), (4, 5187418), (8, 2593709), (19, 1092088), (38, 546044), (76, 273022), (152, 136511)]