20123486511

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{1256383}}^1$

素因数の和:1256686

約数の個数: 16

約数和(自身を含む): 28344023040

約数和(自身を除く): 8220536529

約数列:

[1, 3, 19, 57, 281, 843, 5339, 16017, 1256383, 3769149, 23871277, 71613831, 353043623, 1059130869, 6707828837, 20123486511]

約数ペア:

[(1, 20123486511), (3, 6707828837), (19, 1059130869), (57, 353043623), (281, 71613831), (843, 23871277), (5339, 3769149), (16017, 1256383)]