20079736

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1789}}^1$

素因数の和:1879

約数の個数: 32

約数和(自身を含む): 39952800

約数和(自身を除く): 19873064

約数列:

[1, 2, 4, 8, 23, 46, 61, 92, 122, 184, 244, 488, 1403, 1789, 2806, 3578, 5612, 7156, 11224, 14312, 41147, 82294, 109129, 164588, 218258, 329176, 436516, 873032, 2509967, 5019934, 10039868, 20079736]

約数ペア:

[(1, 20079736), (2, 10039868), (4, 5019934), (8, 2509967), (23, 873032), (46, 436516), (61, 329176), (92, 218258), (122, 164588), (184, 109129), (244, 82294), (488, 41147), (1403, 14312), (1789, 11224), (2806, 7156), (3578, 5612)]