20995314

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{641}}^1$

素因数の和:802

約数の個数: 32

約数和(自身を含む): 43265664

約数和(自身を除く): 22270350

約数列:

[1, 2, 3, 6, 53, 103, 106, 159, 206, 309, 318, 618, 641, 1282, 1923, 3846, 5459, 10918, 16377, 32754, 33973, 66023, 67946, 101919, 132046, 198069, 203838, 396138, 3499219, 6998438, 10497657, 20995314]

約数ペア:

[(1, 20995314), (2, 10497657), (3, 6998438), (6, 3499219), (53, 396138), (103, 203838), (106, 198069), (159, 132046), (206, 101919), (309, 67946), (318, 66023), (618, 33973), (641, 32754), (1282, 16377), (1923, 10918), (3846, 5459)]