72072020

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{6661}}^1$

素因数の和:7211

約数の個数: 24

約数和(自身を含む): 151653768

約数和(自身を除く): 79581748

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 2164, 2705, 5410, 6661, 10820, 13322, 26644, 33305, 66610, 133220, 3603601, 7207202, 14414404, 18018005, 36036010, 72072020]

約数ペア:

[(1, 72072020), (2, 36036010), (4, 18018005), (5, 14414404), (10, 7207202), (20, 3603601), (541, 133220), (1082, 66610), (2164, 33305), (2705, 26644), (5410, 13322), (6661, 10820)]