20199755990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{69654331}}^1$

素因数の和:69654367

約数の個数: 16

約数和(自身を含む): 37613339280

約数和(自身を除く): 17413583290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 69654331, 139308662, 348271655, 696543310, 2019975599, 4039951198, 10099877995, 20199755990]

約数ペア:

[(1, 20199755990), (2, 10099877995), (5, 4039951198), (10, 2019975599), (29, 696543310), (58, 348271655), (145, 139308662), (290, 69654331)]