20199384

素因数分解:

$2^3\times 3^2\times {\mathrm{280547}}^1$

素因数の和:280559

約数の個数: 24

約数和(自身を含む): 54706860

約数和(自身を除く): 34507476

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 280547, 561094, 841641, 1122188, 1683282, 2244376, 2524923, 3366564, 5049846, 6733128, 10099692, 20199384]

約数ペア:

[(1, 20199384), (2, 10099692), (3, 6733128), (4, 5049846), (6, 3366564), (8, 2524923), (9, 2244376), (12, 1683282), (18, 1122188), (24, 841641), (36, 561094), (72, 280547)]