20075997

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{4423}}^1$

素因数の和:4532

約数の個数: 16

約数和(自身を含む): 28667520

約数和(自身を除く): 8591523

約数列:

[1, 3, 17, 51, 89, 267, 1513, 4423, 4539, 13269, 75191, 225573, 393647, 1180941, 6691999, 20075997]

約数ペア:

[(1, 20075997), (3, 6691999), (17, 1180941), (51, 393647), (89, 225573), (267, 75191), (1513, 13269), (4423, 4539)]