20281498

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{3929}}^1$

素因数の和:4049

約数の個数: 16

約数和(自身を含む): 31833000

約数和(自身を除く): 11551502

約数列:

[1, 2, 29, 58, 89, 178, 2581, 3929, 5162, 7858, 113941, 227882, 349681, 699362, 10140749, 20281498]

約数ペア:

[(1, 20281498), (2, 10140749), (29, 699362), (58, 349681), (89, 227882), (178, 113941), (2581, 7858), (3929, 5162)]