20415276

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{81013}}^1$

素因数の和:81030

約数の個数: 36

約数和(自身を含む): 58978192

約数和(自身を除く): 38562916

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 81013, 162026, 243039, 324052, 486078, 567091, 729117, 972156, 1134182, 1458234, 1701273, 2268364, 2916468, 3402546, 5103819, 6805092, 10207638, 20415276]

約数ペア:

[(1, 20415276), (2, 10207638), (3, 6805092), (4, 5103819), (6, 3402546), (7, 2916468), (9, 2268364), (12, 1701273), (14, 1458234), (18, 1134182), (21, 972156), (28, 729117), (36, 567091), (42, 486078), (63, 324052), (84, 243039), (126, 162026), (252, 81013)]