20494718

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{1429}}^1$

素因数の和:1603

約数の個数: 16

約数和(自身を含む): 31505760

約数和(自身を除く): 11011042

約数列:

[1, 2, 71, 101, 142, 202, 1429, 2858, 7171, 14342, 101459, 144329, 202918, 288658, 10247359, 20494718]

約数ペア:

[(1, 20494718), (2, 10247359), (71, 288658), (101, 202918), (142, 144329), (202, 101459), (1429, 14342), (2858, 7171)]