6821420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20063}}^1$

素因数の和:20089

約数の個数: 24

約数和(自身を含む): 15168384

約数和(自身を除く): 8346964

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 20063, 40126, 80252, 100315, 200630, 341071, 401260, 682142, 1364284, 1705355, 3410710, 6821420]

約数ペア:

[(1, 6821420), (2, 3410710), (4, 1705355), (5, 1364284), (10, 682142), (17, 401260), (20, 341071), (34, 200630), (68, 100315), (85, 80252), (170, 40126), (340, 20063)]