201342020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{915191}}^1$

素因数の和:915211

約数の個数: 24

約数和(自身を含む): 461256768

約数和(自身を除く): 259914748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 915191, 1830382, 3660764, 4575955, 9151910, 10067101, 18303820, 20134202, 40268404, 50335505, 100671010, 201342020]

約数ペア:

[(1, 201342020), (2, 100671010), (4, 50335505), (5, 40268404), (10, 20134202), (11, 18303820), (20, 10067101), (22, 9151910), (44, 4575955), (55, 3660764), (110, 1830382), (220, 915191)]