13801420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16831}}^1$

素因数の和:16881

約数の個数: 24

約数和(自身を含む): 29691648

約数和(自身を除く): 15890228

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 16831, 33662, 67324, 84155, 168310, 336620, 690071, 1380142, 2760284, 3450355, 6900710, 13801420]

約数ペア:

[(1, 13801420), (2, 6900710), (4, 3450355), (5, 2760284), (10, 1380142), (20, 690071), (41, 336620), (82, 168310), (164, 84155), (205, 67324), (410, 33662), (820, 16831)]