20281578

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{198839}}^1$

素因数の和:198861

約数の個数: 16

約数和(自身を含む): 42949440

約数和(自身を除く): 22667862

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 198839, 397678, 596517, 1193034, 3380263, 6760526, 10140789, 20281578]

約数ペア:

[(1, 20281578), (2, 10140789), (3, 6760526), (6, 3380263), (17, 1193034), (34, 596517), (51, 397678), (102, 198839)]