20177281439

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2571337}}^1$

素因数の和:2571422

約数の個数: 16

約数和(自身を含む): 24684844800

約数和(自身を除く): 4507563361

約数列:

[1, 7, 19, 59, 133, 413, 1121, 7847, 2571337, 17999359, 48855403, 151708883, 341987821, 1061962181, 2882468777, 20177281439]

約数ペア:

[(1, 20177281439), (7, 2882468777), (19, 1061962181), (59, 341987821), (133, 151708883), (413, 48855403), (1121, 17999359), (7847, 2571337)]