20289937

素因数分解:

${\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:432

約数の個数: 16

約数和(自身を含む): 21954240

約数和(自身を除く): 1664303

約数列:

[1, 29, 43, 53, 307, 1247, 1537, 2279, 8903, 13201, 16271, 66091, 382829, 471859, 699653, 20289937]

約数ペア:

[(1, 20289937), (29, 699653), (43, 471859), (53, 382829), (307, 66091), (1247, 16271), (1537, 13201), (2279, 8903)]