20349663

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{1283}}^1$

素因数の和:1614

約数の個数: 16

約数和(自身を含む): 28843776

約数和(自身を除く): 8494113

約数列:

[1, 3, 17, 51, 311, 933, 1283, 3849, 5287, 15861, 21811, 65433, 399013, 1197039, 6783221, 20349663]

約数ペア:

[(1, 20349663), (3, 6783221), (17, 1197039), (51, 399013), (311, 65433), (933, 21811), (1283, 15861), (3849, 5287)]