20731065

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{8803}}^1$

素因数の和:8968

約数の個数: 16

約数和(自身を含む): 33384768

約数和(自身を除く): 12653703

約数列:

[1, 3, 5, 15, 157, 471, 785, 2355, 8803, 26409, 44015, 132045, 1382071, 4146213, 6910355, 20731065]

約数ペア:

[(1, 20731065), (3, 6910355), (5, 4146213), (15, 1382071), (157, 132045), (471, 44015), (785, 26409), (2355, 8803)]