20286585

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{719}}^1$

素因数の和:763

約数の個数: 64

約数和(自身を含む): 41472000

約数和(自身を除く): 21185415

約数列:

[1, 3, 5, 9, 11, 15, 19, 27, 33, 45, 55, 57, 95, 99, 135, 165, 171, 209, 285, 297, 495, 513, 627, 719, 855, 1045, 1485, 1881, 2157, 2565, 3135, 3595, 5643, 6471, 7909, 9405, 10785, 13661, 19413, 23727, 28215, 32355, 39545, 40983, 68305, 71181, 97065, 118635, 122949, 150271, 204915, 213543, 355905, 368847, 450813, 614745, 751355, 1067715, 1352439, 1844235, 2254065, 4057317, 6762195, 20286585]

約数ペア:

[(1, 20286585), (3, 6762195), (5, 4057317), (9, 2254065), (11, 1844235), (15, 1352439), (19, 1067715), (27, 751355), (33, 614745), (45, 450813), (55, 368847), (57, 355905), (95, 213543), (99, 204915), (135, 150271), (165, 122949), (171, 118635), (209, 97065), (285, 71181), (297, 68305), (495, 40983), (513, 39545), (627, 32355), (719, 28215), (855, 23727), (1045, 19413), (1485, 13661), (1881, 10785), (2157, 9405), (2565, 7909), (3135, 6471), (3595, 5643)]