20097730220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{977}}^1\times {\mathrm{1223}}^1$

素因数の和:2267

約数の個数: 72

約数和(自身を含む): 43791287904

約数和(自身を除く): 23693557684

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 841, 977, 1223, 1682, 1954, 2446, 3364, 3908, 4205, 4885, 4892, 6115, 8410, 9770, 12230, 16820, 19540, 24460, 28333, 35467, 56666, 70934, 113332, 141665, 141868, 177335, 283330, 354670, 566660, 709340, 821657, 1028543, 1194871, 1643314, 2057086, 2389742, 3286628, 4108285, 4114172, 4779484, 5142715, 5974355, 8216570, 10285430, 11948710, 16433140, 20570860, 23897420, 34651259, 69302518, 138605036, 173256295, 346512590, 693025180, 1004886511, 2009773022, 4019546044, 5024432555, 10048865110, 20097730220]

約数ペア:

[(1, 20097730220), (2, 10048865110), (4, 5024432555), (5, 4019546044), (10, 2009773022), (20, 1004886511), (29, 693025180), (58, 346512590), (116, 173256295), (145, 138605036), (290, 69302518), (580, 34651259), (841, 23897420), (977, 20570860), (1223, 16433140), (1682, 11948710), (1954, 10285430), (2446, 8216570), (3364, 5974355), (3908, 5142715), (4205, 4779484), (4885, 4114172), (4892, 4108285), (6115, 3286628), (8410, 2389742), (9770, 2057086), (12230, 1643314), (16820, 1194871), (19540, 1028543), (24460, 821657), (28333, 709340), (35467, 566660), (56666, 354670), (70934, 283330), (113332, 177335), (141665, 141868)]