20893017

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{4603}}^1$

素因数の和:4712

約数の個数: 16

約数和(自身を含む): 29833920

約数和(自身を除く): 8940903

約数列:

[1, 3, 17, 51, 89, 267, 1513, 4539, 4603, 13809, 78251, 234753, 409667, 1229001, 6964339, 20893017]

約数ペア:

[(1, 20893017), (3, 6964339), (17, 1229001), (51, 409667), (89, 234753), (267, 78251), (1513, 13809), (4539, 4603)]