20131279

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{6581}}^1$

素因数の和:6630

約数の個数: 16

約数和(自身を含む): 25274880

約数和(自身を除く): 5143601

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 6581, 46067, 125039, 151363, 875273, 1059541, 2875897, 20131279]

約数ペア:

[(1, 20131279), (7, 2875897), (19, 1059541), (23, 875273), (133, 151363), (161, 125039), (437, 46067), (3059, 6581)]