20553005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{3307}}^1$

素因数の和:3436

約数の個数: 16

約数和(自身を含む): 27152064

約数和(自身を除く): 6599059

約数列:

[1, 5, 11, 55, 113, 565, 1243, 3307, 6215, 16535, 36377, 181885, 373691, 1868455, 4110601, 20553005]

約数ペア:

[(1, 20553005), (5, 4110601), (11, 1868455), (55, 373691), (113, 181885), (565, 36377), (1243, 16535), (3307, 6215)]