2020894865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{4721}}^1$

素因数の和:4961

約数の個数: 32

約数和(自身を含む): 2722591872

約数和(自身を除く): 701697007

約数列:

[1, 5, 11, 43, 55, 181, 215, 473, 905, 1991, 2365, 4721, 7783, 9955, 23605, 38915, 51931, 85613, 203003, 259655, 428065, 854501, 1015015, 2233033, 4272505, 9399511, 11165165, 36743543, 46997555, 183717715, 404178973, 2020894865]

約数ペア:

[(1, 2020894865), (5, 404178973), (11, 183717715), (43, 46997555), (55, 36743543), (181, 11165165), (215, 9399511), (473, 4272505), (905, 2233033), (1991, 1015015), (2365, 854501), (4721, 428065), (7783, 259655), (9955, 203003), (23605, 85613), (38915, 51931)]