20701160

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6551}}^1$

素因数の和:6641

約数の個数: 32

約数和(自身を含む): 47174400

約数和(自身を除く): 26473240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 6551, 13102, 26204, 32755, 52408, 65510, 131020, 262040, 517529, 1035058, 2070116, 2587645, 4140232, 5175290, 10350580, 20701160]

約数ペア:

[(1, 20701160), (2, 10350580), (4, 5175290), (5, 4140232), (8, 2587645), (10, 2070116), (20, 1035058), (40, 517529), (79, 262040), (158, 131020), (316, 65510), (395, 52408), (632, 32755), (790, 26204), (1580, 13102), (3160, 6551)]