20487529

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:400

約数の個数: 16

約数和(自身を含む): 22410880

約数和(自身を除く): 1923351

約数列:

[1, 19, 37, 151, 193, 703, 2869, 3667, 5587, 7141, 29143, 106153, 135679, 553717, 1078291, 20487529]

約数ペア:

[(1, 20487529), (19, 1078291), (37, 553717), (151, 135679), (193, 106153), (703, 29143), (2869, 7141), (3667, 5587)]