20557570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5051}}^1$

素因数の和:5106

約数の個数: 32

約数和(自身を含む): 41466816

約数和(自身を除く): 20909246

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 5051, 10102, 25255, 50510, 55561, 111122, 186887, 277805, 373774, 555610, 934435, 1868870, 2055757, 4111514, 10278785, 20557570]

約数ペア:

[(1, 20557570), (2, 10278785), (5, 4111514), (10, 2055757), (11, 1868870), (22, 934435), (37, 555610), (55, 373774), (74, 277805), (110, 186887), (185, 111122), (370, 55561), (407, 50510), (814, 25255), (2035, 10102), (4070, 5051)]