20388110

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{55103}}^1$

素因数の和:55147

約数の個数: 16

約数和(自身を含む): 37691136

約数和(自身を除く): 17303026

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 55103, 110206, 275515, 551030, 2038811, 4077622, 10194055, 20388110]

約数ペア:

[(1, 20388110), (2, 10194055), (5, 4077622), (10, 2038811), (37, 551030), (74, 275515), (185, 110206), (370, 55103)]