20155839560

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3625151}}^1$

素因数の和:3625301

約数の個数: 32

約数和(自身を含む): 45676915200

約数和(自身を除く): 25521075640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 3625151, 7250302, 14500604, 18125755, 29001208, 36251510, 72503020, 145006040, 503895989, 1007791978, 2015583956, 2519479945, 4031167912, 5038959890, 10077919780, 20155839560]

約数ペア:

[(1, 20155839560), (2, 10077919780), (4, 5038959890), (5, 4031167912), (8, 2519479945), (10, 2015583956), (20, 1007791978), (40, 503895989), (139, 145006040), (278, 72503020), (556, 36251510), (695, 29001208), (1112, 18125755), (1390, 14500604), (2780, 7250302), (5560, 3625151)]