20425838

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{4513}}^1$

素因数の和:4619

約数の個数: 16

約数和(自身を含む): 32067456

約数和(自身を除く): 11641618

約数列:

[1, 2, 31, 62, 73, 146, 2263, 4513, 4526, 9026, 139903, 279806, 329449, 658898, 10212919, 20425838]

約数ペア:

[(1, 20425838), (2, 10212919), (31, 658898), (62, 329449), (73, 279806), (146, 139903), (2263, 9026), (4513, 4526)]