20100989998

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{12959}}^1\times {\mathrm{40819}}^1$

素因数の和:53799

約数の個数: 16

約数和(自身を含む): 31741632000

約数和(自身を除く): 11640642002

約数列:

[1, 2, 19, 38, 12959, 25918, 40819, 81638, 246221, 492442, 775561, 1551122, 528973421, 1057946842, 10050494999, 20100989998]

約数ペア:

[(1, 20100989998), (2, 10050494999), (19, 1057946842), (38, 528973421), (12959, 1551122), (25918, 775561), (40819, 492442), (81638, 246221)]