20963896

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{16691}}^1$

素因数の和:16854

約数の個数: 16

約数和(自身を含む): 39560040

約数和(自身を除く): 18596144

約数列:

[1, 2, 4, 8, 157, 314, 628, 1256, 16691, 33382, 66764, 133528, 2620487, 5240974, 10481948, 20963896]

約数ペア:

[(1, 20963896), (2, 10481948), (4, 5240974), (8, 2620487), (157, 133528), (314, 66764), (628, 33382), (1256, 16691)]