20886231

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{719}}^1$

素因数の和:1166

約数の個数: 16

約数和(自身を含む): 29168640

約数和(自身を除く): 8282409

約数列:

[1, 3, 23, 69, 421, 719, 1263, 2157, 9683, 16537, 29049, 49611, 302699, 908097, 6962077, 20886231]

約数ペア:

[(1, 20886231), (3, 6962077), (23, 908097), (69, 302699), (421, 49611), (719, 29049), (1263, 16537), (2157, 9683)]