201812020

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{97967}}^1$

素因数の和:98079

約数の個数: 24

約数和(自身を含む): 427924224

約数和(自身を除く): 226112204

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 97967, 195934, 391868, 489835, 979670, 1959340, 10090601, 20181202, 40362404, 50453005, 100906010, 201812020]

約数ペア:

[(1, 201812020), (2, 100906010), (4, 50453005), (5, 40362404), (10, 20181202), (20, 10090601), (103, 1959340), (206, 979670), (412, 489835), (515, 391868), (1030, 195934), (2060, 97967)]