20108840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26459}}^1$

素因数の和:26489

約数の個数: 32

約数和(自身を含む): 47628000

約数和(自身を除く): 27519160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 26459, 52918, 105836, 132295, 211672, 264590, 502721, 529180, 1005442, 1058360, 2010884, 2513605, 4021768, 5027210, 10054420, 20108840]

約数ペア:

[(1, 20108840), (2, 10054420), (4, 5027210), (5, 4021768), (8, 2513605), (10, 2010884), (19, 1058360), (20, 1005442), (38, 529180), (40, 502721), (76, 264590), (95, 211672), (152, 132295), (190, 105836), (380, 52918), (760, 26459)]