20711937

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:501

約数の個数: 24

約数和(自身を含む): 29870848

約数和(自身を除く): 9158911

約数列:

[1, 3, 23, 31, 69, 93, 421, 529, 713, 1263, 1587, 2139, 9683, 13051, 16399, 29049, 39153, 49197, 222709, 300173, 668127, 900519, 6903979, 20711937]

約数ペア:

[(1, 20711937), (3, 6903979), (23, 900519), (31, 668127), (69, 300173), (93, 222709), (421, 49197), (529, 39153), (713, 29049), (1263, 16399), (1587, 13051), (2139, 9683)]