20451914

素因数分解:

$2^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{1153}}^1$

素因数の和:1350

約数の個数: 24

約数和(自身を含む): 35914788

約数和(自身を除く): 15462874

約数列:

[1, 2, 7, 14, 49, 98, 181, 362, 1153, 1267, 2306, 2534, 8071, 8869, 16142, 17738, 56497, 112994, 208693, 417386, 1460851, 2921702, 10225957, 20451914]

約数ペア:

[(1, 20451914), (2, 10225957), (7, 2921702), (14, 1460851), (49, 417386), (98, 208693), (181, 112994), (362, 56497), (1153, 17738), (1267, 16142), (2306, 8869), (2534, 8071)]