20268340

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{9839}}^1$

素因数の和:9951

約数の個数: 24

約数和(自身を含む): 42981120

約数和(自身を除く): 22712780

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 9839, 19678, 39356, 49195, 98390, 196780, 1013417, 2026834, 4053668, 5067085, 10134170, 20268340]

約数ペア:

[(1, 20268340), (2, 10134170), (4, 5067085), (5, 4053668), (10, 2026834), (20, 1013417), (103, 196780), (206, 98390), (412, 49195), (515, 39356), (1030, 19678), (2060, 9839)]