20161915

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{10313}}^1$

素因数の和:10358

約数の個数: 16

約数和(自身を含む): 26733888

約数和(自身を除く): 6571973

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 10313, 51565, 175321, 237199, 876605, 1185995, 4032383, 20161915]

約数ペア:

[(1, 20161915), (5, 4032383), (17, 1185995), (23, 876605), (85, 237199), (115, 175321), (391, 51565), (1955, 10313)]