20508241

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:516

約数の個数: 16

約数和(自身を含む): 22896720

約数和(自身を除く): 2388479

約数列:

[1, 13, 41, 109, 353, 533, 1417, 4469, 4589, 14473, 38477, 58097, 188149, 500201, 1577557, 20508241]

約数ペア:

[(1, 20508241), (13, 1577557), (41, 500201), (109, 188149), (353, 58097), (533, 38477), (1417, 14473), (4469, 4589)]