20519799

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{12979}}^1$

素因数の和:13030

約数の個数: 16

約数和(自身を含む): 29905920

約数和(自身を除く): 9386121

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 12979, 38937, 220643, 402349, 661929, 1207047, 6839933, 20519799]

約数ペア:

[(1, 20519799), (3, 6839933), (17, 1207047), (31, 661929), (51, 402349), (93, 220643), (527, 38937), (1581, 12979)]