1120647020

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{309571}}^1$

素因数の和:309761

約数の個数: 24

約数和(自身を含む): 2366368368

約数和(自身を除く): 1245721348

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 309571, 619142, 1238284, 1547855, 3095710, 6191420, 56032351, 112064702, 224129404, 280161755, 560323510, 1120647020]

約数ペア:

[(1, 1120647020), (2, 560323510), (4, 280161755), (5, 224129404), (10, 112064702), (20, 56032351), (181, 6191420), (362, 3095710), (724, 1547855), (905, 1238284), (1810, 619142), (3620, 309571)]