20694327

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{829}}^1$

素因数の和:1042

約数の個数: 16

約数和(自身を含む): 28326240

約数和(自身を除く): 7631913

約数列:

[1, 3, 53, 157, 159, 471, 829, 2487, 8321, 24963, 43937, 130153, 131811, 390459, 6898109, 20694327]

約数ペア:

[(1, 20694327), (3, 6898109), (53, 390459), (157, 131811), (159, 130153), (471, 43937), (829, 24963), (2487, 8321)]