20826230

素因数分解:

$2^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{3739}}^1$

素因数の和:4303

約数の個数: 16

約数和(自身を含む): 37564560

約数和(自身を除く): 16738330

約数列:

[1, 2, 5, 10, 557, 1114, 2785, 3739, 5570, 7478, 18695, 37390, 2082623, 4165246, 10413115, 20826230]

約数ペア:

[(1, 20826230), (2, 10413115), (5, 4165246), (10, 2082623), (557, 37390), (1114, 18695), (2785, 7478), (3739, 5570)]