20201607951

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{77761}}^1$

素因数の和:77999

約数の個数: 32

約数和(自身を含む): 31353638400

約数和(自身を除く): 11152030449

約数列:

[1, 3, 7, 21, 89, 139, 267, 417, 623, 973, 1869, 2919, 12371, 37113, 77761, 86597, 233283, 259791, 544327, 1632981, 6920729, 10808779, 20762187, 32426337, 48445103, 75661453, 145335309, 226984359, 961981331, 2885943993, 6733869317, 20201607951]

約数ペア:

[(1, 20201607951), (3, 6733869317), (7, 2885943993), (21, 961981331), (89, 226984359), (139, 145335309), (267, 75661453), (417, 48445103), (623, 32426337), (973, 20762187), (1869, 10808779), (2919, 6920729), (12371, 1632981), (37113, 544327), (77761, 259791), (86597, 233283)]