20275535

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 29445120

約数和(自身を除く): 9169585

約数列:

[1, 5, 7, 23, 35, 89, 115, 161, 283, 445, 623, 805, 1415, 1981, 2047, 3115, 6509, 9905, 10235, 14329, 25187, 32545, 45563, 71645, 125935, 176309, 227815, 579301, 881545, 2896505, 4055107, 20275535]

約数ペア:

[(1, 20275535), (5, 4055107), (7, 2896505), (23, 881545), (35, 579301), (89, 227815), (115, 176309), (161, 125935), (283, 71645), (445, 45563), (623, 32545), (805, 25187), (1415, 14329), (1981, 10235), (2047, 9905), (3115, 6509)]