20593443

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 31752000

約数和(自身を除く): 11158557

約数列:

[1, 3, 13, 17, 39, 51, 89, 221, 267, 349, 663, 1047, 1157, 1513, 3471, 4537, 4539, 5933, 13611, 17799, 19669, 31061, 59007, 77129, 93183, 231387, 403793, 528037, 1211379, 1584111, 6864481, 20593443]

約数ペア:

[(1, 20593443), (3, 6864481), (13, 1584111), (17, 1211379), (39, 528037), (51, 403793), (89, 231387), (221, 93183), (267, 77129), (349, 59007), (663, 31061), (1047, 19669), (1157, 17799), (1513, 13611), (3471, 5933), (4537, 4539)]