20561210

素因数分解:

$2^1\times 5^1\times {\mathrm{1181}}^1\times {\mathrm{1741}}^1$

素因数の和:2929

約数の個数: 16

約数和(自身を含む): 37062792

約数和(自身を除く): 16501582

約数列:

[1, 2, 5, 10, 1181, 1741, 2362, 3482, 5905, 8705, 11810, 17410, 2056121, 4112242, 10280605, 20561210]

約数ペア:

[(1, 20561210), (2, 10280605), (5, 4112242), (10, 2056121), (1181, 17410), (1741, 11810), (2362, 8705), (3482, 5905)]