920860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1123}}^1$

素因数の和:1173

約数の個数: 24

約数和(自身を含む): 1982736

約数和(自身を除く): 1061876

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1123, 2246, 4492, 5615, 11230, 22460, 46043, 92086, 184172, 230215, 460430, 920860]

約数ペア:

[(1, 920860), (2, 460430), (4, 230215), (5, 184172), (10, 92086), (20, 46043), (41, 22460), (82, 11230), (164, 5615), (205, 4492), (410, 2246), (820, 1123)]