202020220

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{18671}}^1$

素因数の和:19221

約数の個数: 24

約数和(自身を含む): 425049408

約数和(自身を除く): 223029188

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 2164, 2705, 5410, 10820, 18671, 37342, 74684, 93355, 186710, 373420, 10101011, 20202022, 40404044, 50505055, 101010110, 202020220]

約数ペア:

[(1, 202020220), (2, 101010110), (4, 50505055), (5, 40404044), (10, 20202022), (20, 10101011), (541, 373420), (1082, 186710), (2164, 93355), (2705, 74684), (5410, 37342), (10820, 18671)]