20377972

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{877}}^1$

素因数の和:1075

約数の個数: 24

約数和(自身を含む): 36900584

約数和(自身を除く): 16522612

約数列:

[1, 2, 4, 37, 74, 148, 157, 314, 628, 877, 1754, 3508, 5809, 11618, 23236, 32449, 64898, 129796, 137689, 275378, 550756, 5094493, 10188986, 20377972]

約数ペア:

[(1, 20377972), (2, 10188986), (4, 5094493), (37, 550756), (74, 275378), (148, 137689), (157, 129796), (314, 64898), (628, 32449), (877, 23236), (1754, 11618), (3508, 5809)]