20201801

素因数分解:

${\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:296

約数の個数: 16

約数和(自身を含む): 21596160

約数和(自身を除く): 1394359

約数列:

[1, 31, 73, 79, 113, 2263, 2449, 3503, 5767, 8249, 8927, 178777, 255719, 276737, 651671, 20201801]

約数ペア:

[(1, 20201801), (31, 651671), (73, 276737), (79, 255719), (113, 178777), (2263, 8927), (2449, 8249), (3503, 5767)]