20422831

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 26320896

約数和(自身を除く): 5898065

約数列:

[1, 11, 13, 17, 31, 143, 187, 221, 271, 341, 403, 527, 2431, 2981, 3523, 4433, 4607, 5797, 6851, 8401, 38753, 50677, 59891, 75361, 92411, 109213, 142817, 658801, 1201343, 1570987, 1856621, 20422831]

約数ペア:

[(1, 20422831), (11, 1856621), (13, 1570987), (17, 1201343), (31, 658801), (143, 142817), (187, 109213), (221, 92411), (271, 75361), (341, 59891), (403, 50677), (527, 38753), (2431, 8401), (2981, 6851), (3523, 5797), (4433, 4607)]