20512876760

素因数分解:

$2^3\times 5^1\times {\mathrm{761}}^1\times {\mathrm{673879}}^1$

素因数の和:674651

約数の個数: 32

約数和(自身を含む): 46214690400

約数和(自身を除く): 25701813640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 761, 1522, 3044, 3805, 6088, 7610, 15220, 30440, 673879, 1347758, 2695516, 3369395, 5391032, 6738790, 13477580, 26955160, 512821919, 1025643838, 2051287676, 2564109595, 4102575352, 5128219190, 10256438380, 20512876760]

約数ペア:

[(1, 20512876760), (2, 10256438380), (4, 5128219190), (5, 4102575352), (8, 2564109595), (10, 2051287676), (20, 1025643838), (40, 512821919), (761, 26955160), (1522, 13477580), (3044, 6738790), (3805, 5391032), (6088, 3369395), (7610, 2695516), (15220, 1347758), (30440, 673879)]