20675152

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{31517}}^1$

素因数の和:31566

約数の個数: 20

約数和(自身を含む): 41036436

約数和(自身を除く): 20361284

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 31517, 63034, 126068, 252136, 504272, 1292197, 2584394, 5168788, 10337576, 20675152]

約数ペア:

[(1, 20675152), (2, 10337576), (4, 5168788), (8, 2584394), (16, 1292197), (41, 504272), (82, 252136), (164, 126068), (328, 63034), (656, 31517)]