19963660

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{9883}}^1$

素因数の和:9993

約数の個数: 24

約数和(自身を含む): 42343056

約数和(自身を除く): 22379396

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 9883, 19766, 39532, 49415, 98830, 197660, 998183, 1996366, 3992732, 4990915, 9981830, 19963660]

約数ペア:

[(1, 19963660), (2, 9981830), (4, 4990915), (5, 3992732), (10, 1996366), (20, 998183), (101, 197660), (202, 98830), (404, 49415), (505, 39532), (1010, 19766), (2020, 9883)]