20216964440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26601269}}^1$

素因数の和:26601299

約数の個数: 32

約数和(自身を含む): 47882286000

約数和(自身を除く): 27665321560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 26601269, 53202538, 106405076, 133006345, 212810152, 266012690, 505424111, 532025380, 1010848222, 1064050760, 2021696444, 2527120555, 4043392888, 5054241110, 10108482220, 20216964440]

約数ペア:

[(1, 20216964440), (2, 10108482220), (4, 5054241110), (5, 4043392888), (8, 2527120555), (10, 2021696444), (19, 1064050760), (20, 1010848222), (38, 532025380), (40, 505424111), (76, 266012690), (95, 212810152), (152, 133006345), (190, 106405076), (380, 53202538), (760, 26601269)]