20992353

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{991}}^1$

素因数の和:1324

約数の個数: 16

約数和(自身を含む): 29331456

約数和(自身を除く): 8339103

約数列:

[1, 3, 23, 69, 307, 921, 991, 2973, 7061, 21183, 22793, 68379, 304237, 912711, 6997451, 20992353]

約数ペア:

[(1, 20992353), (3, 6997451), (23, 912711), (69, 304237), (307, 68379), (921, 22793), (991, 21183), (2973, 7061)]