20648886

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1979}}^1$

素因数の和:2068

約数の個数: 32

約数和(自身を含む): 43338240

約数和(自身を除く): 22689354

約数列:

[1, 2, 3, 6, 37, 47, 74, 94, 111, 141, 222, 282, 1739, 1979, 3478, 3958, 5217, 5937, 10434, 11874, 73223, 93013, 146446, 186026, 219669, 279039, 439338, 558078, 3441481, 6882962, 10324443, 20648886]

約数ペア:

[(1, 20648886), (2, 10324443), (3, 6882962), (6, 3441481), (37, 558078), (47, 439338), (74, 279039), (94, 219669), (111, 186026), (141, 146446), (222, 93013), (282, 73223), (1739, 11874), (1979, 10434), (3478, 5937), (3958, 5217)]