20696048

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{11867}}^1$

素因数の和:11984

約数の個数: 20

約数和(自身を含む): 40469880

約数和(自身を除く): 19773832

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 11867, 23734, 47468, 94936, 189872, 1293503, 2587006, 5174012, 10348024, 20696048]

約数ペア:

[(1, 20696048), (2, 10348024), (4, 5174012), (8, 2587006), (16, 1293503), (109, 189872), (218, 94936), (436, 47468), (872, 23734), (1744, 11867)]