16886260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20593}}^1$

素因数の和:20643

約数の個数: 24

約数和(自身を含む): 36327816

約数和(自身を除く): 19441556

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 20593, 41186, 82372, 102965, 205930, 411860, 844313, 1688626, 3377252, 4221565, 8443130, 16886260]

約数ペア:

[(1, 16886260), (2, 8443130), (4, 4221565), (5, 3377252), (10, 1688626), (20, 844313), (41, 411860), (82, 205930), (164, 102965), (205, 82372), (410, 41186), (820, 20593)]