20812517

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1231}}^1$

素因数の和:1324

約数の個数: 16

約数和(自身を含む): 23950080

約数和(自身を除く): 3137563

約数列:

[1, 11, 29, 53, 319, 583, 1231, 1537, 13541, 16907, 35699, 65243, 392689, 717673, 1892047, 20812517]

約数ペア:

[(1, 20812517), (11, 1892047), (29, 717673), (53, 392689), (319, 65243), (583, 35699), (1231, 16907), (1537, 13541)]