20164465

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3889}}^1$

素因数の和:3972

約数の個数: 16

約数和(自身を含む): 26047440

約数和(自身を除く): 5882975

約数列:

[1, 5, 17, 61, 85, 305, 1037, 3889, 5185, 19445, 66113, 237229, 330565, 1186145, 4032893, 20164465]

約数ペア:

[(1, 20164465), (5, 4032893), (17, 1186145), (61, 330565), (85, 237229), (305, 66113), (1037, 19445), (3889, 5185)]