203846780

素因数分解:

$2^2\times 5^1\times {\mathrm{1553}}^1\times {\mathrm{6563}}^1$

素因数の和:8125

約数の個数: 24

約数和(自身を含む): 428419152

約数和(自身を除く): 224572372

約数列:

[1, 2, 4, 5, 10, 20, 1553, 3106, 6212, 6563, 7765, 13126, 15530, 26252, 31060, 32815, 65630, 131260, 10192339, 20384678, 40769356, 50961695, 101923390, 203846780]

約数ペア:

[(1, 203846780), (2, 101923390), (4, 50961695), (5, 40769356), (10, 20384678), (20, 10192339), (1553, 131260), (3106, 65630), (6212, 32815), (6563, 31060), (7765, 26252), (13126, 15530)]