20565420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{342757}}^1$

素因数の和:342769

約数の個数: 24

約数和(自身を含む): 57583344

約数和(自身を除く): 37017924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 342757, 685514, 1028271, 1371028, 1713785, 2056542, 3427570, 4113084, 5141355, 6855140, 10282710, 20565420]

約数ペア:

[(1, 20565420), (2, 10282710), (3, 6855140), (4, 5141355), (5, 4113084), (6, 3427570), (10, 2056542), (12, 1713785), (15, 1371028), (20, 1028271), (30, 685514), (60, 342757)]