20203089

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{4451}}^1$

素因数の和:4560

約数の個数: 16

約数和(自身を含む): 28848960

約数和(自身を除く): 8645871

約数列:

[1, 3, 17, 51, 89, 267, 1513, 4451, 4539, 13353, 75667, 227001, 396139, 1188417, 6734363, 20203089]

約数ペア:

[(1, 20203089), (3, 6734363), (17, 1188417), (51, 396139), (89, 227001), (267, 75667), (1513, 13353), (4451, 4539)]