20237665

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9479}}^1$

素因数の和:9552

約数の個数: 16

約数和(自身を含む): 28212480

約数和(自身を除く): 7974815

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 9479, 47395, 66353, 331765, 578219, 2891095, 4047533, 20237665]

約数ペア:

[(1, 20237665), (5, 4047533), (7, 2891095), (35, 578219), (61, 331765), (305, 66353), (427, 47395), (2135, 9479)]