17209420

素因数分解:

$2^2\times 5^1\times {\mathrm{811}}^1\times {\mathrm{1061}}^1$

素因数の和:1881

約数の個数: 24

約数和(自身を含む): 36218448

約数和(自身を除く): 19009028

約数列:

[1, 2, 4, 5, 10, 20, 811, 1061, 1622, 2122, 3244, 4055, 4244, 5305, 8110, 10610, 16220, 21220, 860471, 1720942, 3441884, 4302355, 8604710, 17209420]

約数ペア:

[(1, 17209420), (2, 8604710), (4, 4302355), (5, 3441884), (10, 1720942), (20, 860471), (811, 21220), (1061, 16220), (1622, 10610), (2122, 8110), (3244, 5305), (4055, 4244)]