20311719

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{6529}}^1$

素因数の和:6610

約数の個数: 16

約数和(自身を含む): 29149920

約数和(自身を除く): 8838201

約数列:

[1, 3, 17, 51, 61, 183, 1037, 3111, 6529, 19587, 110993, 332979, 398269, 1194807, 6770573, 20311719]

約数ペア:

[(1, 20311719), (3, 6770573), (17, 1194807), (51, 398269), (61, 332979), (183, 110993), (1037, 19587), (3111, 6529)]