20331971

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:422

約数の個数: 16

約数和(自身を含む): 22805088

約数和(自身を除く): 2473117

約数列:

[1, 11, 61, 157, 193, 671, 1727, 2123, 9577, 11773, 30301, 105347, 129503, 333311, 1848361, 20331971]

約数ペア:

[(1, 20331971), (11, 1848361), (61, 333311), (157, 129503), (193, 105347), (671, 30301), (1727, 11773), (2123, 9577)]