20820310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1051}}^1$

素因数の和:1348

約数の個数: 32

約数和(自身を含む): 43022592

約数和(自身を除く): 22202282

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 283, 566, 1051, 1415, 1981, 2102, 2830, 3962, 5255, 7357, 9905, 10510, 14714, 19810, 36785, 73570, 297433, 594866, 1487165, 2082031, 2974330, 4164062, 10410155, 20820310]

約数ペア:

[(1, 20820310), (2, 10410155), (5, 4164062), (7, 2974330), (10, 2082031), (14, 1487165), (35, 594866), (70, 297433), (283, 73570), (566, 36785), (1051, 19810), (1415, 14714), (1981, 10510), (2102, 9905), (2830, 7357), (3962, 5255)]