2020200903

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{433}}^1\times {\mathrm{719}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 3379783680

約数和(自身を除く): 1359582777

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 433, 719, 721, 927, 1299, 2157, 2163, 3031, 3897, 5033, 6471, 6489, 9093, 15099, 27279, 44599, 45297, 74057, 133797, 222171, 311327, 312193, 401391, 518399, 666513, 933981, 936579, 1555197, 2179289, 2801943, 2809737, 4665591, 6537867, 19613601, 32066681, 96200043, 224466767, 288600129, 673400301, 2020200903]

約数ペア:

[(1, 2020200903), (3, 673400301), (7, 288600129), (9, 224466767), (21, 96200043), (63, 32066681), (103, 19613601), (309, 6537867), (433, 4665591), (719, 2809737), (721, 2801943), (927, 2179289), (1299, 1555197), (2157, 936579), (2163, 933981), (3031, 666513), (3897, 518399), (5033, 401391), (6471, 312193), (6489, 311327), (9093, 222171), (15099, 133797), (27279, 74057), (44599, 45297)]