20029345

素因数分解:

$5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{2521}}^1$

素因数の和:2760

約数の個数: 16

約数和(自身を含む): 27600768

約数和(自身を除く): 7571423

約数列:

[1, 5, 7, 35, 227, 1135, 1589, 2521, 7945, 12605, 17647, 88235, 572267, 2861335, 4005869, 20029345]

約数ペア:

[(1, 20029345), (5, 4005869), (7, 2861335), (35, 572267), (227, 88235), (1135, 17647), (1589, 12605), (2521, 7945)]