19704460

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{2791}}^1$

素因数の和:3153

約数の個数: 24

約数和(自身を含む): 41511456

約数和(自身を除く): 21806996

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 2791, 3530, 5582, 7060, 11164, 13955, 27910, 55820, 985223, 1970446, 3940892, 4926115, 9852230, 19704460]

約数ペア:

[(1, 19704460), (2, 9852230), (4, 4926115), (5, 3940892), (10, 1970446), (20, 985223), (353, 55820), (706, 27910), (1412, 13955), (1765, 11164), (2791, 7060), (3530, 5582)]