20285967

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{1499}}^1$

素因数の和:1862

約数の個数: 16

約数和(自身を含む): 29232000

約数和(自身を除く): 8946033

約数列:

[1, 3, 13, 39, 347, 1041, 1499, 4497, 4511, 13533, 19487, 58461, 520153, 1560459, 6761989, 20285967]

約数ペア:

[(1, 20285967), (3, 6761989), (13, 1560459), (39, 520153), (347, 58461), (1041, 19487), (1499, 13533), (4497, 4511)]