20298813

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{2089}}^1$

素因数の和:2212

約数の個数: 16

約数和(自身を含む): 28089600

約数和(自身を除く): 7790787

約数列:

[1, 3, 41, 79, 123, 237, 2089, 3239, 6267, 9717, 85649, 165031, 256947, 495093, 6766271, 20298813]

約数ペア:

[(1, 20298813), (3, 6766271), (41, 495093), (79, 256947), (123, 165031), (237, 85649), (2089, 9717), (3239, 6267)]