31959620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20753}}^1$

素因数の和:20780

約数の個数: 48

約数和(自身を含む): 83680128

約数和(自身を除く): 51720508

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 20753, 41506, 83012, 103765, 145271, 207530, 228283, 290542, 415060, 456566, 581084, 726355, 913132, 1141415, 1452710, 1597981, 2282830, 2905420, 3195962, 4565660, 6391924, 7989905, 15979810, 31959620]

約数ペア:

[(1, 31959620), (2, 15979810), (4, 7989905), (5, 6391924), (7, 4565660), (10, 3195962), (11, 2905420), (14, 2282830), (20, 1597981), (22, 1452710), (28, 1141415), (35, 913132), (44, 726355), (55, 581084), (70, 456566), (77, 415060), (110, 290542), (140, 228283), (154, 207530), (220, 145271), (308, 103765), (385, 83012), (770, 41506), (1540, 20753)]