20354138

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20477}}^1$

素因数の和:20557

約数の個数: 16

約数和(自身を含む): 35385984

約数和(自身を除く): 15031846

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 20477, 40954, 143339, 286678, 1453867, 2907734, 10177069, 20354138]

約数ペア:

[(1, 20354138), (2, 10177069), (7, 2907734), (14, 1453867), (71, 286678), (142, 143339), (497, 40954), (994, 20477)]