20586440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73523}}^1$

素因数の和:73541

約数の個数: 32

約数和(自身を含む): 52937280

約数和(自身を除く): 32350840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 73523, 147046, 294092, 367615, 514661, 588184, 735230, 1029322, 1470460, 2058644, 2573305, 2940920, 4117288, 5146610, 10293220, 20586440]

約数ペア:

[(1, 20586440), (2, 10293220), (4, 5146610), (5, 4117288), (7, 2940920), (8, 2573305), (10, 2058644), (14, 1470460), (20, 1029322), (28, 735230), (35, 588184), (40, 514661), (56, 367615), (70, 294092), (140, 147046), (280, 73523)]