20239621240

素因数分解:

$2^3\times 5^1\times {\mathrm{505990531}}^1$

素因数の和:505990542

約数の個数: 16

約数和(自身を含む): 45539147880

約数和(自身を除く): 25299526640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 505990531, 1011981062, 2023962124, 2529952655, 4047924248, 5059905310, 10119810620, 20239621240]

約数ペア:

[(1, 20239621240), (2, 10119810620), (4, 5059905310), (5, 4047924248), (8, 2529952655), (10, 2023962124), (20, 1011981062), (40, 505990531)]