20453587

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{541}}^1$

素因数の和:1050

約数の個数: 16

約数和(自身を含む): 25599744

約数和(自身を除く): 5146157

約数列:

[1, 7, 11, 77, 491, 541, 3437, 3787, 5401, 5951, 37807, 41657, 265631, 1859417, 2921941, 20453587]

約数ペア:

[(1, 20453587), (7, 2921941), (11, 1859417), (77, 265631), (491, 41657), (541, 37807), (3437, 5951), (3787, 5401)]