20822320

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6053}}^1$

素因数の和:6109

約数の個数: 40

約数和(自身を含む): 49545936

約数和(自身を除く): 28723616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 6053, 12106, 24212, 30265, 48424, 60530, 96848, 121060, 242120, 260279, 484240, 520558, 1041116, 1301395, 2082232, 2602790, 4164464, 5205580, 10411160, 20822320]

約数ペア:

[(1, 20822320), (2, 10411160), (4, 5205580), (5, 4164464), (8, 2602790), (10, 2082232), (16, 1301395), (20, 1041116), (40, 520558), (43, 484240), (80, 260279), (86, 242120), (172, 121060), (215, 96848), (344, 60530), (430, 48424), (688, 30265), (860, 24212), (1720, 12106), (3440, 6053)]