20522940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{342049}}^1$

素因数の和:342061

約数の個数: 24

約数和(自身を含む): 57464400

約数和(自身を除く): 36941460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 342049, 684098, 1026147, 1368196, 1710245, 2052294, 3420490, 4104588, 5130735, 6840980, 10261470, 20522940]

約数ペア:

[(1, 20522940), (2, 10261470), (3, 6840980), (4, 5130735), (5, 4104588), (6, 3420490), (10, 2052294), (12, 1710245), (15, 1368196), (20, 1026147), (30, 684098), (60, 342049)]