20028541

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{709}}^1$

素因数の和:816

約数の個数: 16

約数和(自身を含む): 22543920

約数和(自身を除く): 2515379

約数列:

[1, 13, 41, 53, 533, 689, 709, 2173, 9217, 28249, 29069, 37577, 377897, 488501, 1540657, 20028541]

約数ペア:

[(1, 20028541), (13, 1540657), (41, 488501), (53, 377897), (533, 37577), (689, 29069), (709, 28249), (2173, 9217)]