20484590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{829}}^1$

素因数の和:1196

約数の個数: 32

約数和(自身を含む): 42310080

約数和(自身を除く): 21825490

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 353, 706, 829, 1658, 1765, 2471, 3530, 4145, 4942, 5803, 8290, 11606, 12355, 24710, 29015, 58030, 292637, 585274, 1463185, 2048459, 2926370, 4096918, 10242295, 20484590]

約数ペア:

[(1, 20484590), (2, 10242295), (5, 4096918), (7, 2926370), (10, 2048459), (14, 1463185), (35, 585274), (70, 292637), (353, 58030), (706, 29015), (829, 24710), (1658, 12355), (1765, 11606), (2471, 8290), (3530, 5803), (4145, 4942)]