20444270

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3793}}^1$

素因数の和:3825

約数の個数: 48

約数和(自身を含む): 46711728

約数和(自身を除く): 26267458

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 3793, 5390, 7586, 18965, 26551, 37930, 41723, 53102, 83446, 132755, 185857, 208615, 265510, 292061, 371714, 417230, 584122, 929285, 1460305, 1858570, 2044427, 2920610, 4088854, 10222135, 20444270]

約数ペア:

[(1, 20444270), (2, 10222135), (5, 4088854), (7, 2920610), (10, 2044427), (11, 1858570), (14, 1460305), (22, 929285), (35, 584122), (49, 417230), (55, 371714), (70, 292061), (77, 265510), (98, 208615), (110, 185857), (154, 132755), (245, 83446), (385, 53102), (490, 41723), (539, 37930), (770, 26551), (1078, 18965), (2695, 7586), (3793, 5390)]