20809713

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{1321}}^1$

素因数の和:1472

約数の個数: 16

約数和(自身を含む): 28555200

約数和(自身を除く): 7745487

約数列:

[1, 3, 59, 89, 177, 267, 1321, 3963, 5251, 15753, 77939, 117569, 233817, 352707, 6936571, 20809713]

約数ペア:

[(1, 20809713), (3, 6936571), (59, 352707), (89, 233817), (177, 117569), (267, 77939), (1321, 15753), (3963, 5251)]