20644980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{344083}}^1$

素因数の和:344095

約数の個数: 24

約数和(自身を含む): 57806112

約数和(自身を除く): 37161132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 344083, 688166, 1032249, 1376332, 1720415, 2064498, 3440830, 4128996, 5161245, 6881660, 10322490, 20644980]

約数ペア:

[(1, 20644980), (2, 10322490), (3, 6881660), (4, 5161245), (5, 4128996), (6, 3440830), (10, 2064498), (12, 1720415), (15, 1376332), (20, 1032249), (30, 688166), (60, 344083)]