20524465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16619}}^1$

素因数の和:16656

約数の個数: 16

約数和(自身を含む): 27921600

約数和(自身を除く): 7397135

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 16619, 83095, 216047, 315761, 1080235, 1578805, 4104893, 20524465]

約数ペア:

[(1, 20524465), (5, 4104893), (13, 1578805), (19, 1080235), (65, 315761), (95, 216047), (247, 83095), (1235, 16619)]