20130605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{641}}^1$

素因数の和:1228

約数の個数: 16

約数和(自身を含む): 26440128

約数和(自身を除く): 6309523

約数列:

[1, 5, 11, 55, 571, 641, 2855, 3205, 6281, 7051, 31405, 35255, 366011, 1830055, 4026121, 20130605]

約数ペア:

[(1, 20130605), (5, 4026121), (11, 1830055), (55, 366011), (571, 35255), (641, 31405), (2855, 7051), (3205, 6281)]