20744380

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{6869}}^1$

素因数の和:7029

約数の個数: 24

約数和(自身を含む): 43858080

約数和(自身を除く): 23113700

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 6869, 13738, 27476, 34345, 68690, 137380, 1037219, 2074438, 4148876, 5186095, 10372190, 20744380]

約数ペア:

[(1, 20744380), (2, 10372190), (4, 5186095), (5, 4148876), (10, 2074438), (20, 1037219), (151, 137380), (302, 68690), (604, 34345), (755, 27476), (1510, 13738), (3020, 6869)]