20450980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{92959}}^1$

素因数の和:92979

約数の個数: 24

約数和(自身を含む): 46851840

約数和(自身を除く): 26400860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 92959, 185918, 371836, 464795, 929590, 1022549, 1859180, 2045098, 4090196, 5112745, 10225490, 20450980]

約数ペア:

[(1, 20450980), (2, 10225490), (4, 5112745), (5, 4090196), (10, 2045098), (11, 1859180), (20, 1022549), (22, 929590), (44, 464795), (55, 371836), (110, 185918), (220, 92959)]