20654448

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{10007}}^1$

素因数の和:10061

約数の個数: 40

約数和(自身を含む): 54603648

約数和(自身を除く): 33949200

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 10007, 20014, 30021, 40028, 60042, 80056, 120084, 160112, 240168, 430301, 480336, 860602, 1290903, 1721204, 2581806, 3442408, 5163612, 6884816, 10327224, 20654448]

約数ペア:

[(1, 20654448), (2, 10327224), (3, 6884816), (4, 5163612), (6, 3442408), (8, 2581806), (12, 1721204), (16, 1290903), (24, 860602), (43, 480336), (48, 430301), (86, 240168), (129, 160112), (172, 120084), (258, 80056), (344, 60042), (516, 40028), (688, 30021), (1032, 20014), (2064, 10007)]