20262987

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{39499}}^1$

素因数の和:39527

約数の個数: 16

約数和(自身を含む): 31600000

約数和(自身を除く): 11337013

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 39499, 118497, 355491, 750481, 1066473, 2251443, 6754329, 20262987]

約数ペア:

[(1, 20262987), (3, 6754329), (9, 2251443), (19, 1066473), (27, 750481), (57, 355491), (171, 118497), (513, 39499)]