15960020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{7901}}^1$

素因数の和:8011

約数の個数: 24

約数和(自身を含む): 33852168

約数和(自身を除く): 17892148

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 7901, 15802, 31604, 39505, 79010, 158020, 798001, 1596002, 3192004, 3990005, 7980010, 15960020]

約数ペア:

[(1, 15960020), (2, 7980010), (4, 3990005), (5, 3192004), (10, 1596002), (20, 798001), (101, 158020), (202, 79010), (404, 39505), (505, 31604), (1010, 15802), (2020, 7901)]