13309420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16231}}^1$

素因数の和:16281

約数の個数: 24

約数和(自身を含む): 28633248

約数和(自身を除く): 15323828

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 16231, 32462, 64924, 81155, 162310, 324620, 665471, 1330942, 2661884, 3327355, 6654710, 13309420]

約数ペア:

[(1, 13309420), (2, 6654710), (4, 3327355), (5, 2661884), (10, 1330942), (20, 665471), (41, 324620), (82, 162310), (164, 81155), (205, 64924), (410, 32462), (820, 16231)]