20062280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{523}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 52064640

約数和(自身を除く): 32002360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 137, 140, 274, 280, 523, 548, 685, 959, 1046, 1096, 1370, 1918, 2092, 2615, 2740, 3661, 3836, 4184, 4795, 5230, 5480, 7322, 7672, 9590, 10460, 14644, 18305, 19180, 20920, 29288, 36610, 38360, 71651, 73220, 143302, 146440, 286604, 358255, 501557, 573208, 716510, 1003114, 1433020, 2006228, 2507785, 2866040, 4012456, 5015570, 10031140, 20062280]

約数ペア:

[(1, 20062280), (2, 10031140), (4, 5015570), (5, 4012456), (7, 2866040), (8, 2507785), (10, 2006228), (14, 1433020), (20, 1003114), (28, 716510), (35, 573208), (40, 501557), (56, 358255), (70, 286604), (137, 146440), (140, 143302), (274, 73220), (280, 71651), (523, 38360), (548, 36610), (685, 29288), (959, 20920), (1046, 19180), (1096, 18305), (1370, 14644), (1918, 10460), (2092, 9590), (2615, 7672), (2740, 7322), (3661, 5480), (3836, 5230), (4184, 4795)]