20375005

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3907}}^1$

素因数の和:4068

約数の個数: 16

約数和(自身を含む): 28137600

約数和(自身を除く): 7762595

約数列:

[1, 5, 7, 35, 149, 745, 1043, 3907, 5215, 19535, 27349, 136745, 582143, 2910715, 4075001, 20375005]

約数ペア:

[(1, 20375005), (5, 4075001), (7, 2910715), (35, 582143), (149, 136745), (745, 27349), (1043, 19535), (3907, 5215)]