20500475

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{353}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 26864352

約数和(自身を除く): 6363877

約数列:

[1, 5, 23, 25, 101, 115, 353, 505, 575, 1765, 2323, 2525, 8119, 8825, 11615, 35653, 40595, 58075, 178265, 202975, 820019, 891325, 4100095, 20500475]

約数ペア:

[(1, 20500475), (5, 4100095), (23, 891325), (25, 820019), (101, 202975), (115, 178265), (353, 58075), (505, 40595), (575, 35653), (1765, 11615), (2323, 8825), (2525, 8119)]