20065670

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{19867}}^1$

素因数の和:19975

約数の個数: 16

約数和(自身を含む): 36477648

約数和(自身を除く): 16411978

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 19867, 39734, 99335, 198670, 2006567, 4013134, 10032835, 20065670]

約数ペア:

[(1, 20065670), (2, 10032835), (5, 4013134), (10, 2006567), (101, 198670), (202, 99335), (505, 39734), (1010, 19867)]