20443286

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{487}}^1$

素因数の和:779

約数の個数: 16

約数和(自身を含む): 31153920

約数和(自身を除く): 10710634

約数列:

[1, 2, 139, 151, 278, 302, 487, 974, 20989, 41978, 67693, 73537, 135386, 147074, 10221643, 20443286]

約数ペア:

[(1, 20443286), (2, 10221643), (139, 147074), (151, 135386), (278, 73537), (302, 67693), (487, 41978), (974, 20989)]