20996940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{349949}}^1$

素因数の和:349961

約数の個数: 24

約数和(自身を含む): 58791600

約数和(自身を除く): 37794660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 349949, 699898, 1049847, 1399796, 1749745, 2099694, 3499490, 4199388, 5249235, 6998980, 10498470, 20996940]

約数ペア:

[(1, 20996940), (2, 10498470), (3, 6998980), (4, 5249235), (5, 4199388), (6, 3499490), (10, 2099694), (12, 1749745), (15, 1399796), (20, 1049847), (30, 699898), (60, 349949)]